Added label to content filter input and fixed disable class

Change-Id: I86dc3a4764eabd94aa08bf2dbb56b5fc1565d195
Signed-off-by: Michael Davis <michael.s.davis@ibm.com>
diff --git a/app/common/directives/log-search-control.html b/app/common/directives/log-search-control.html
index bfd461b..09a393b 100644
--- a/app/common/directives/log-search-control.html
+++ b/app/common/directives/log-search-control.html
@@ -1,5 +1,6 @@
+<p class="content-label">Filter events</p>
 <div class="content__search">
     <label for="content__search-input">Event Log Search</label>
-    <input id="content__search-input" type="text" placeholder="Filter issues" ng-model="customSearch" ng-keydown="doSearchOnEnter($event)"/>
+    <input id="content__search-input" type="text" ng-model="customSearch" ng-keydown="doSearchOnEnter($event)"/>
     <input id="content__search-submit" type="submit" class="btn btn-primary" value="Filter" ng-click="doSearchOnClick()"/>
 </div>
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