define global message classes

Migrate power-ops to utilize.

Change-Id: Ie3946a6c957c78ef1b07b0c815448ed8d7e826b5
Signed-off-by: Michael Davis <michael.s.davis@ibm.com>
diff --git a/src/header.html b/src/header.html
index 2a67741..94beff5 100644
--- a/src/header.html
+++ b/src/header.html
@@ -10,8 +10,8 @@
     <div class="logo__wrapper"><img src="img/logo.svg" id="header__logo"  alt="company logo"/></div>
     <button id="header__server-name">{{dataService.server_id}}</button>
     <div class="header__functions">
-        <a href="" id="header__server-health">Server health<span class="status-light__error">{{dataService.server_health}}</span></a>
-        <a href="power-operations.html" class="header__server-power" role="button">Server power<span ng-class="{'status-light__error': server_status == -1, 'status-light__disabled': server_status == 0, 'status-light__good': server_status == 1}">{{dataService.server_state}}</span></a>
+        <a href="" id="header__server-health">Server health<span class="status-light__good">{{dataService.server_health}}</span></a>
+        <a href="#/power-operations" class="header__server-power" role="button">Server power<span ng-class="{'status-light__error': server_status == -1, 'status-light__disabled': server_status == 0, 'status-light__good': server_status == 1}">{{dataService.server_state}}</span></a>
         <p class="header__refresh">Page last refreshed <span>{{dataService.last_updated |date:'h:mm:ss MMM dd yyyy'}}</span></p>
         <button class="header__page-refresh" ng-click="refresh()"><img src="img/icon-refresh-white.svg" alt="refresh page" role="button"/></button>
     </div>