added servicetunnel plugin to client-feature
make swing plugin work without OSGI
added unit test for SwingUtility change
fixed project setup
Bug 408304 - make swing plugin work without OSGI

https://bugs.eclipse.org/bugs/show_bug.cgi?id=408304

Change-Id: I89cf19b43fa6130983de4fca5e3052f26a0e14c0
Merge branch 'swingutility'

Conflicts:
	org.eclipse.scout.rt.ui.swing.test/src/org/eclipse/scout/rt/ui/swing/SwingUtilityTest.java
	org.eclipse.scout.rt.ui.swing/src/org/eclipse/scout/rt/ui/swing/SwingUtility.java

Change-Id: I1c2b53a73d8812b4c32957d799c24fdc5b7630aa