~ introduced IIdentifiableContentEntry
+ introduced new JSON-based project description format
- removed XML-based project description format
Merge remote-tracking branch 'origin/master'
~ several minor fixes
~ support for ids instead of classnames in project description
~ fixed build breaker
~ removed unused hash support
+ added parent pom
~ introduced tycho
~ minor fixes
~ tycho++
~ tycho++
~ removed target dir
~ tycho++
~ finished tycho build
~ removed platform configuration
~ set to jdk 1.6
~ fixed memory settings
Stage View (WIP)
Merge remote-tracking branch 'refs/remotes/origin/master' into stage_view

Conflicts:
	bundlemaker.core/plugins/org.bundlemaker.core.ui.view.dependencytree/src/org/bundlemaker/core/ui/view/dependencytree/DependencyTreeComposite.java
	bundlemaker.core/plugins/org.bundlemaker.core.ui.view.dependencytree/src/org/bundlemaker/core/ui/view/dependencytree/VisibleArtifactsFilter.java
	main/org.bundlemaker.core.ui.artifact/src/org/bundlemaker/core/ui/artifact/tree/VisibleArtifactsFilter.java
	main/org.bundlemaker.core.ui.view.dependencytree/src/org/bundlemaker/core/ui/view/dependencytree/VisibleArtifactsFilter.java
Added stage.ui plug-in