title: Eclipse plugin not visible
body: <p>im not sure whether its an issue with the plugin or eclipse.Recently im working on this plugin and i was using Indigo /JavaSE7 .When i launch it as an eclipse application im getting my plugin on top. I also exported it as a plugin(export>deployable plugins...) and put in the plugins folder, it is visible and working fine.I tried putting it in Eclipse/Galileo in my machine and it works fine.The problem is  When my colleague puts this jar in Eclipse /Indigo Plugins folder(Any other system apart from mine)  it is not visible and not even any signs of it.
  i'm not sure if it has some thing to do with the JRE/SDK,please help me out.
  Im attaching the manifest file if anything missing:</p>
  
  <pre><code>Manifest-Version: 1.0
  Bundle-ManifestVersion: 2
  Bundle-Name: XTechnologySolutions
  Bundle-SymbolicName: com.xquery.review.plugin; singleton:=true
  Bundle-Version: 1.0.0.qualifier
  Bundle-Activator: com.xquery.review.plugin.Activator
  Bundle-Vendor: CognizantTechnologySolutions
  Require-Bundle: org.eclipse.ui,
   org.eclipse.core.runtime,
   org.eclipse.core.resources;bundle-version="3.7.101",
   org.eclipse.ui.ide
  Bundle-ActivationPolicy: lazy
  Bundle-ClassPath: src/lib/log4j-1.2.17.jar,
   .,
   src/lib/XQueryReview.jar
  Import-Package: org.eclipse.jface.text
  Bundle-RequiredExecutionEnvironment: JavaSE-1.7
  </code></pre>
  
  <p>thanks in advance ...</p>