Bug 31249 Bad default modifier for Hyperlink style navigation on MacOS X
M5 The default modifier for hyperlink style navigation is "Control" which doesn't work well on MacOS X because here the Control modifier is used to simulate a right-click (opening the context menu). The consequence of this is that if control is pressed the users gets the underlined text style when hovering, but he cannot follow the link because a click results in opening the context menu. The default on MacOS should be 'Command'
org.eclipse.jdt.ui/ui/org/eclipse/jdt/ui/PreferenceConstants.java
* indicators are rendered
	 * </p>
	 */
	public static final String APPEARANCE_OVERRIDE_INDICATOR= "org.eclipse.jdt.ui.overrideindicator";
	/**
	 * A named preference that controls if quick assist light bulbs are shown.
	 * <p>
	 * Value is of type <code>Boolean</code>: if <code>true</code> light bulbs are shown
	 * for quick assists.
	 * </p>
	 */
	public static final String APPEARANCE_QUICKASSIST_LIGHTBULB="org.eclipse.jdt.quickassist.lightbulb"; 
	/**
	 * A named preference that defines the pattern used for package name compression.
	 * <p>
	 * Value is of type <code>String</code>. For example foe the given package name 'org.eclipse.jdt' pattern
	 * '.' will compress it to '..jdt', '1~' to 'o~.e~.jdt'.
	 * </p>
	 */	
	public static final String APPEARANCE_PKG_NAME_PATTERN_FOR_PKG_VIEW= "PackagesView.pkgNamePatternForPackagesView";
	/**
	 * A named preference that controls if package name compression is turned on or off.
	 * <p>
	 * Value is of type <code>Boolean</code>.
	 * </p>
	 * 
	 * @see #APPEARANCE_PKG_NAME_PATTERN_FOR_PKG_VIEW
	 */	
	public static final String APPEARANCE_COMPRESS_PACKAGE_NAMES= "org.eclipse.jdt.ui.compresspackagenames";
	/**