merge
Merge branch 'dev' of https://github.com/genericsystem/genericsystem2014.git into dev
Merge branch 'dev' of https://github.com/genericsystem/genericsystem2014.git into dev
Merge
Merge
Merge branch 'dev' of https://github.com/genericsystem/genericsystem2014.git into dev
Merge branch 'dev' of https://github.com/genericsystem/genericsystem2014.git into dev
remove ThisToNull
Overrides errors in equals, equiv etc...
Merge branch 'dev' of
https://github.com/genericsystem/genericsystem2014.git into dev

Conflicts:
	gs-kernel/src/main/java/org/genericsystem/kernel/AbstractVertex.java
	gs-kernel/src/main/java/org/genericsystem/kernel/DefaultRoot.java
Fix equiv(null)=> return false;
Merge remote-tracking branch 'origin/erik' into dev

Conflicts:
	gs-kernel/src/main/java/org/genericsystem/kernel/DefaultDependencies.java
	gs-kernel/src/main/java/org/genericsystem/kernel/DefaultSystemProperties.java
Oops, forget to commit 2 files
clean mutability layer
empty commit