Add jar depend

	modified:   libs/plugins/org.eclipse.nebula.widgets.collapsiblebuttons/META-INF/MANIFEST.MF
	modified:   plugins/net.sf.e4ftrace.outline/src/net/sf/e4ftrace/outline/parts/OutlinePart.java
Add imagecache

	modified:   plugins/net.sf.e4ftrace.outline/src/net/sf/e4ftrace/outline/parts/OutlinePart.java
	new file:   plugins/net.sf.e4ftrace.outline/src/net/sf/e4ftrace/outline/utils/ImageCache.java