Bug 32893 Workspace Compatibility Problems 2.0 -> 2.1
Build 2.1 RC1 This PR collects problems related to opening a 2.0 workspace with 2.1.
org.eclipse.jdt.ui/ui/org/eclipse/jdt/ui/PreferenceConstants.java
* Value is of type <code>Boolean</code>.
	 * </p>
	 */
	public static final String EDITOR_BROWSER_LIKE_LINKS= "browserLikeLinks"; 
	/**
	 * A named preference that controls the key modifier for browser like links.
	 * <p>
	 * Value is of type <code>String</code>.
	 * </p>
	 */
	public static final String EDITOR_BROWSER_LIKE_LINKS_KEY_MODIFIER= "browserLikeLinksKeyModifier"; 
	/**
	 * A named preference that controls if the Java code assist gets auto activated.
	 * <p>
	 * Value is of type <code>Boolean</code>.
	 * </p>
	 */
	public final static String CODEASSIST_AUTOACTIVATION= "content_assist_autoactivation"; 
	/**
	 * A name preference that holds the auto activation delay time in milli seconds.
	 * <p>
	 * Value is of type <code>Int</code>.
	 * </p>
	 */
	public final static String CODEASSIST_AUTOACTIVATION_DELAY= "content_assist_autoactivation_delay"; 
	/**
	 * A named preference that controls if code assist contains only visible proposals.
	 * <p>
	 * Value is of type <code>Boolean</code>. if <code>true<code> code assist only contains visible members. If 
	 * <code>false</code> all members are included.