Merge pull request #463 from srcarter3/unidata_18.2.1

Changed Warngen Toolbar button to have yellow background

cave/com.raytheon.uf.viz.d2d.ui/plugin.xml

@@ -560,11 +560,10 @@
             </command>
             </toolbar>
             <toolbar
-               id="applications">
+                  id="warngenButton">
                <command
                      commandId="com.raytheon.viz.warngen.gui.WarngenAction"
-                  label="Warngen"
-                  mode="FORCE_TEXT">
+                     icon="icons/warngen.gif">
                   <visibleWhen>
                      <and>
                         <reference
@@ -578,6 +577,9 @@
                      </and>
                   </visibleWhen>
                </command>
+            </toolbar>
+         <toolbar
+               id="applications">
                	<command
                   commandId="com.raytheon.uf.viz.d2d.nsharp.dialog"
                   icon="icons/nsharp.png"