org.osgi.framework.BundleException: Exception
in com.android.ide.eclipse.adt.AdtPlugin.start() of bundle com.android.ide.eclipse.adt.eclipse启动异常，删除.metadata\.plugins\org.eclipse.e4.workbench即可解决
详见：http://stackoverflow.com/questions/16158889/eclipse-fails-to-start-after-crash
