clean mutability layer
empty commit
Merge remote-tracking branch 'origin/dev' into erik

Conflicts:
	gs-cache/src/main/java/org/genericsystem/cache/AbstractVertex.java
Merge remote-tracking branch 'origin/dev' into erik
work in progress
mutability fusion ok + tests clean
Merge remote-tracking branch 'origin/dev' into erik

Conflicts:
	gs-kernel/src/main/java/org/genericsystem/kernel/AbstractVertex.java
add pickNewTs and correct bug in mutability
Merge remote-tracking branch 'origin/dev' into erik

Conflicts:
	gs-concurrency/src/main/java/org/genericsystem/concurrency/Cache.java
	gs-kernel/src/main/java/org/genericsystem/kernel/AbstractVertex.java
	gs-kernel/src/main/java/org/genericsystem/kernel/Context.java
err in mutability
BACK
Revert "err in mutability"

This reverts commit 61f3ee074a360c0237749fde481aa97b7b5aabac.
in progress
Merge remote-tracking branch 'origin/dev' into erik
mutability OK
reverse map for convert
Merge remote-tracking branch 'origin/erik' into dev
clean