Bug 15604 Promote Fill arguments on method completion to a real preference
It is still in work in progress but it has become an established feature by now. Promote the preference to the code assist preference page.
org.eclipse.jdt.ui/ui/org/eclipse/jdt/ui/PreferencesConstants.java
* @see org.eclipse.jface.preference.PreferenceConverter
	 */
	public final static String EDITOR_FIND_SCOPE_COLOR= AbstractTextEditor.PREFERENCE_COLOR_FIND_SCOPE;
	/**
	 * Enable / Disable using spaces for tabs in the editor. Boolean value.
	 */
	public final static String EDITOR_SPACES_FOR_TABS= CompilationUnitEditor.SPACES_FOR_TABS;
	/**
	 * Number of spaces per tab in the editor. Int value.
	 */
	public final static String EDITOR_TAB_WIDTH= JavaSourceViewerConfiguration.PREFERENCE_TAB_WIDTH;
	/**
	 * Enable / Disable showing problem indicators. Boolean value.
	 */
	public final static String EDITOR_PROBLEM_INDICATION= CompilationUnitEditor.PROBLEM_INDICATION;
	/**
	 * Color used for the problem indicators. RGB color encoded using PreferenceConverter.
	 * @see org.eclipse.jface.resource.StringConverter
	 * @see org.eclipse.jface.preference.PreferenceConverter
	 */
	public final static String EDITOR_PROBLEM_INDICATION_COLOR= CompilationUnitEditor.PROBLEM_INDICATION_COLOR;
	/**
	 * Enable / Disable showing the correction indicator. Boolean value.
	 */
	public final static String EDITOR_CORRECTION_INDICATION= WorkInProgressPreferencePage.PREF_SHOW_TEMP_PROBLEMS;
	/**
	 * Enable / Disable evaluating temporary problems. Boolean value.
	 */
	public final static String EDITOR_EVALUTE_TEMPORARY_PROBLEMS= CompilationUnitDocumentProvider.HANDLE_TEMPORARY_PROBLEMS;
	/**