Merge pull request #3369 from matschaffer/cw/alias-fix

Use of `<dimension name>` seems to confuse angular so changing to DIMENSION_NAME

public/app/plugins/datasource/cloudwatch/partials/query.editor.html

@@ -73,7 +73,7 @@
 	<ul class="tight-form-list" role="menu">
 		<li class="tight-form-item query-keyword tight-form-align" style="width: 100px">
 			Alias
-			<tip>{{metric}} {{stat}} {{namespace}} {{region}} {{<dimension name>}}</tip>
+			<tip>{{metric}} {{stat}} {{namespace}} {{region}} {{DIMENSION_NAME}}</tip>
 		</li>
 		<li>
 			<input type="text" class="input-xlarge tight-form-input"  ng-model="target.alias" spellcheck='false' ng-model-onblur ng-change="refreshMetricData()">