Restore build shortcut

This closes #1618

Author: kwin

org.eclipse.m2e.launching/plugin.xml

@@ -46,6 +46,29 @@
   </extension>
 
    <extension point="org.eclipse.debug.ui.launchShortcuts">
+     <shortcut id="org.eclipse.m2e.core.pomFileAction"
+                class="org.eclipse.m2e.actions.ExecutePomAction"
+                icon="icons/m2.gif"
+                label="%m2.popup.pomFile.label"
+                modes="run,debug">
+         <contextualLaunch>
+           <contextLabel label="%m2.popup.pomFile.label" mode="run"/>
+           <contextLabel label="%m2.popup.pomFile.label" mode="debug"/>
+           <enablement>
+              <count value="1"/>
+              <iterate>
+                 <or>
+                    <adapt type="org.eclipse.core.resources.IFile">
+                       <test property="org.eclipse.core.resources.name" value="pom.xml"/>
+                    </adapt>
+                    <adapt type="org.eclipse.core.resources.IProject">
+                       <test property="org.eclipse.core.resources.projectNature" value="org.eclipse.m2e.core.maven2Nature"/>
+                    </adapt>
+                 </or>
+              </iterate>
+           </enablement>
+       </contextualLaunch>
+     </shortcut>
      <shortcut id="org.eclipse.m2e.core.pomFileActionWithDialog"
                class="org.eclipse.m2e.actions.ExecutePomAction:WITH_DIALOG"
                icon="icons/m2.gif"