Get the BMC time

Get the BMC time from xyz/openbmc_project/time/bmc.
This time is in epoch time so convert.
Before the time and date hardcoded.
From https://docs.angularjs.org/api/ng/filter/date:
"'medium': equivalent to 'MMM d, y h:mm:ss a' for en_US locale
(e.g. Sep 3, 2010 12:05:08 PM)"
This is a similar format as to what was present on the GUI
before for en_US.
Letting the browser choose the format, is important.
Displayed in user's timezone.

Resolves openbmc/openbmc#3116

Tested: Now see correct date and time, "4/19/2018, 20:31:18 UTC"
Change-Id: Ie30c65b038b58afc8c4c77ca5b70667e80e76cc6
Signed-off-by: Gunnar Mills <gmills@us.ibm.com>
diff --git a/app/common/services/api-utils.js b/app/common/services/api-utils.js
index 12377c5..fcd873c 100644
--- a/app/common/services/api-utils.js
+++ b/app/common/services/api-utils.js
@@ -897,6 +897,19 @@
                   return response.data;
                 });
               },
+              getBMCTime: function(){
+                return $http({
+                  method: 'GET',
+                  url: DataService.getHost() + "/xyz/openbmc_project/time/bmc",
+                  headers: {
+                    'Accept': 'application/json',
+                    'Content-Type': 'application/json'
+                  },
+                  withCredentials: true
+                }).then(function(response){
+                  return response.data;
+                });
+              },
               getHardwares: function(callback){
                 $http({
                   method: 'GET',
diff --git a/app/overview/controllers/system-overview-controller.html b/app/overview/controllers/system-overview-controller.html
index d7069ad..295aac6 100644
--- a/app/overview/controllers/system-overview-controller.html
+++ b/app/overview/controllers/system-overview-controller.html
@@ -86,7 +86,7 @@
 				</a>
 				<div class="quick-links__item no-icon">
 					<p class="inline quick-links__label">BMC time</p>
-					<p class="inline courier-bold float-right">3:20:12 5/22/2017 UTC</p>
+					<p class="inline courier-bold float-right">{{bmc_time | date:'medium'}}</p>
 				</div>
 				<div class="quick-links__item no-icon">
 					<p class="inline quick-links__label">Turn <span ng-if="dataService.LED_state == 'off'">on</span><span ng-if="dataService.LED_state == 'on'">off</span> server LED</p>
diff --git a/app/overview/controllers/system-overview-controller.js b/app/overview/controllers/system-overview-controller.js
index 6698962..87fcf4e 100644
--- a/app/overview/controllers/system-overview-controller.js
+++ b/app/overview/controllers/system-overview-controller.js
@@ -26,6 +26,7 @@
                 $scope.bmc_info = {};
                 $scope.server_info = {};
                 $scope.bmc_firmware = "";
+                $scope.bmc_time = "";
                 $scope.server_firmware = "";
                 $scope.power_consumption = "";
                 $scope.power_cap = "";
@@ -40,6 +41,7 @@
                       led: APIUtils.getLEDState(),
                       ethernet: APIUtils.getBMCEthernetInfo(),
                       bmc_info: APIUtils.getBMCInfo(),
+                      bmc_time: APIUtils.getBMCTime(),
                       server_info: APIUtils.getServerInfo(),
                       power_consumption: APIUtils.getPowerConsumption(),
                       power_cap: APIUtils.getPowerCap(),
@@ -57,6 +59,7 @@
                             data.bmc_info,
                             data.firmware.bmcActiveVersion
                         );
+                        $scope.displayBMCTime(data.bmc_time);
                         $scope.displayPowerConsumption(data.power_consumption);
                         $scope.displayPowerCap(data.power_cap);
                       })
@@ -73,6 +76,10 @@
                     $scope.bmc_firmware = bmcActiveVersion;
                 }
 
+                $scope.displayBMCTime = function(data){
+                    $scope.bmc_time = data.data.Elapsed / 1000;
+                }
+
                 $scope.displayLogs = function(data){
                     $scope.logs = data.filter(function(log){
                         return log.severity_flags.high == true;