changes to global search filter:

- Added clear button to clear input
- changed submit to resize based on content

Change-Id: Ida69f961effc261dc44319ba8710d9b4349ba847
Signed-off-by: Michael Davis <michael.s.davis@ibm.com>
diff --git a/app/server-health/controllers/sensors-overview-controller.html b/app/server-health/controllers/sensors-overview-controller.html
index abd3348..a310b9d 100644
--- a/app/server-health/controllers/sensors-overview-controller.html
+++ b/app/server-health/controllers/sensors-overview-controller.html
@@ -14,7 +14,10 @@
 		<div class="content__search">
 			<label for="content__search-input">Sensors Search</label>
 			<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 class="search-submit__wrapper">
+				<button class="clear-input" ng-click="customSearch = ''">&#10005;</button>
+				<input id="content__search-submit" type="submit" class="btn btn-primary content__search-submit" value="Filter" ng-click="doSearchOnClick()"/>
+			</div>
 		</div>
 		<div class="toggle-filter">
 			<p class="content-label">FILTER BY SEVERITY</p>