Bug 395710 - Wizard for creating new class for a Part - Add Composite
for PostConstruct method

WindowBuilder searches for a method annotated with PostConstruct which
gets a Composite as parameter.
Bug 395371 - Wizard to convert part of the application model to a
fragment 

Removes Java 1.6 API call String.isEmpty()
Merge branch 'master' of git://git.eclipse.org/gitroot/e4/org.eclipse.e4.tools into Bug395283