Bug 55571 .metadata folder created under install dir
In I20040322 the .metadata folder is being created in the install dir.
bundles/org.eclipse.ui.ide/src/org/eclipse/ui/internal/ide/IDEApplication.java
return EXIT_OK;
			}
			try {
				if (!checkInstanceLocation(shell)) {
					Platform.endSplash();
					return EXIT_OK;
				}
			} finally {
				if (shell != null)
					shell.dispose();
			}
			
			
			
			
			int returnCode = PlatformUI.createAndRunWorkbench(display,
					new IDEWorkbenchAdvisor());
			
			return returnCode == PlatformUI.RETURN_RESTART
					? EXIT_RESTART
					: EXIT_OK;
		} finally {
			if (display != null)
				display.dispose();
		}
	}
	/* (non-Javadoc)
	 * @see org.eclipse.core.runtime.IExecutableExtension#setInitializationData(org.eclipse.core.runtime.IConfigurationElement, java.lang.String, java.lang.Object)
	 */
	public void setInitializationData(IConfigurationElement config, String propertyName, Object data) throws CoreException {