i18n, vue-router and vuex upgrade

1. Configuration of i18n legacy as false.
2. Translation function t is called using the useI18n.
3. Used the i18n.global.t() function from i18n instead of this.$t()
4. Event bus error that occurred during logout.
5. Implemented vue-router 4.4.0 and vuex upgrade to 4.1.0

Change-Id: I9464d82c76dcc1445ce271983ea3ab9d7b03d265
Signed-off-by: Surya Venkatesan <suryav@ami.com>
diff --git a/src/components/AppNavigation/AppNavigationMixin.js b/src/components/AppNavigation/AppNavigationMixin.js
index b33b24b..c00e984 100644
--- a/src/components/AppNavigation/AppNavigationMixin.js
+++ b/src/components/AppNavigation/AppNavigationMixin.js
@@ -6,6 +6,7 @@
 import IconSecurity from '@carbon/icons-vue/es/security/16';
 import IconChevronUp from '@carbon/icons-vue/es/chevron--up/16';
 import IconDataBase from '@carbon/icons-vue/es/data--base--alt/16';
+import i18n from '@/i18n';
 const roles = {
   administrator: 'Administrator',
   operator: 'Operator',
@@ -29,88 +30,88 @@
       navigationItems: [
         {
           id: 'overview',
-          label: this.$t('appNavigation.overview'),
+          label: i18n.global.t('appNavigation.overview'),
           route: '/',
           icon: 'iconOverview',
         },
         {
           id: 'logs',
-          label: this.$t('appNavigation.logs'),
+          label: i18n.global.t('appNavigation.logs'),
           icon: 'iconLogs',
           children: [
             {
               id: 'event-logs',
-              label: this.$t('appNavigation.eventLogs'),
+              label: i18n.global.t('appNavigation.eventLogs'),
               route: '/logs/event-logs',
             },
             {
               id: 'post-code-logs',
-              label: this.$t('appNavigation.postCodeLogs'),
+              label: i18n.global.t('appNavigation.postCodeLogs'),
               route: '/logs/post-code-logs',
             },
           ],
         },
         {
           id: 'hardware-status',
-          label: this.$t('appNavigation.hardwareStatus'),
+          label: i18n.global.t('appNavigation.hardwareStatus'),
           icon: 'iconHealth',
           children: [
             {
               id: 'inventory',
-              label: this.$t('appNavigation.inventory'),
+              label: i18n.global.t('appNavigation.inventory'),
               route: '/hardware-status/inventory',
             },
             {
               id: 'sensors',
-              label: this.$t('appNavigation.sensors'),
+              label: i18n.global.t('appNavigation.sensors'),
               route: '/hardware-status/sensors',
             },
           ],
         },
         {
           id: 'operations',
-          label: this.$t('appNavigation.operations'),
+          label: i18n.global.t('appNavigation.operations'),
           icon: 'iconControl',
           children: [
             {
               id: 'factory-reset',
-              label: this.$t('appNavigation.factoryReset'),
+              label: i18n.global.t('appNavigation.factoryReset'),
               route: '/operations/factory-reset',
             },
             {
               id: 'kvm',
-              label: this.$t('appNavigation.kvm'),
+              label: i18n.global.t('appNavigation.kvm'),
               route: '/operations/kvm',
             },
             {
               id: 'key-clear',
-              label: this.$t('appNavigation.keyClear'),
+              label: i18n.global.t('appNavigation.keyClear'),
               route: '/operations/key-clear',
             },
             {
               id: 'firmware',
-              label: this.$t('appNavigation.firmware'),
+              label: i18n.global.t('appNavigation.firmware'),
               route: '/operations/firmware',
             },
             {
               id: 'reboot-bmc',
-              label: this.$t('appNavigation.rebootBmc'),
+              label: i18n.global.t('appNavigation.rebootBmc'),
               route: '/operations/reboot-bmc',
             },
             {
               id: 'serial-over-lan',
-              label: this.$t('appNavigation.serialOverLan'),
+              label: i18n.global.t('appNavigation.serialOverLan'),
               route: '/operations/serial-over-lan',
               exclusiveToRoles: [roles.administrator],
             },
             {
               id: 'server-power-operations',
-              label: this.$t('appNavigation.serverPowerOperations'),
+              label: i18n.global.t('appNavigation.serverPowerOperations'),
               route: '/operations/server-power-operations',
             },
             {
               id: 'virtual-media',
-              label: this.$t('appNavigation.virtualMedia'),
+              label: i18n.global.t('appNavigation.virtualMedia'),
               route: '/operations/virtual-media',
               exclusiveToRoles: [roles.administrator],
             },
@@ -118,71 +119,71 @@
         },
         {
           id: 'settings',
-          label: this.$t('appNavigation.settings'),
+          label: i18n.global.t('appNavigation.settings'),
           icon: 'iconSettings',
           children: [
             {
               id: 'date-time',
-              label: this.$t('appNavigation.dateTime'),
+              label: i18n.global.t('appNavigation.dateTime'),
               route: '/settings/date-time',
             },
             {
               id: 'network',
-              label: this.$t('appNavigation.network'),
+              label: i18n.global.t('appNavigation.network'),
               route: '/settings/network',
             },
             {
               id: 'power-restore-policy',
-              label: this.$t('appNavigation.powerRestorePolicy'),
+              label: i18n.global.t('appNavigation.powerRestorePolicy'),
               route: '/settings/power-restore-policy',
             },
             {
               id: 'snmp-alerts',
-              label: this.$t('appNavigation.snmpAlerts'),
+              label: i18n.global.t('appNavigation.snmpAlerts'),
               route: '/settings/snmp-alerts',
             },
           ],
         },
         {
           id: 'security-and-access',
-          label: this.$t('appNavigation.securityAndAccess'),
+          label: i18n.global.t('appNavigation.securityAndAccess'),
           icon: 'iconSecurityAndAccess',
           children: [
             {
               id: 'sessions',
-              label: this.$t('appNavigation.sessions'),
+              label: i18n.global.t('appNavigation.sessions'),
               route: '/security-and-access/sessions',
             },
             {
               id: 'ldap',
-              label: this.$t('appNavigation.ldap'),
+              label: i18n.global.t('appNavigation.ldap'),
               route: '/security-and-access/ldap',
             },
             {
               id: 'user-management',
-              label: this.$t('appNavigation.userManagement'),
+              label: i18n.global.t('appNavigation.userManagement'),
               route: '/security-and-access/user-management',
             },
             {
               id: 'policies',
-              label: this.$t('appNavigation.policies'),
+              label: i18n.global.t('appNavigation.policies'),
               route: '/security-and-access/policies',
             },
             {
               id: 'certificates',
-              label: this.$t('appNavigation.certificates'),
+              label: i18n.global.t('appNavigation.certificates'),
               route: '/security-and-access/certificates',
             },
           ],
         },
         {
           id: 'resource-management',
-          label: this.$t('appNavigation.resourceManagement'),
+          label: i18n.global.t('appNavigation.resourceManagement'),
           icon: 'iconResourceManagement',
           children: [
             {
               id: 'power',
-              label: this.$t('appNavigation.power'),
+              label: i18n.global.t('appNavigation.power'),
               route: '/resource-management/power',
             },
           ],