Merge pull request #174 from lexoyo/develop

fixed dates formatting macros, fixed statemanager when using contexts in...
Merge pull request #175 from lexoyo/develop

fixed dates formatting macros, fixed statemanager when using contexts in...
Merge pull request #176 from lexoyo/develop

Develop
Merge pull request #177 from lexoyo/develop

Develop
Merge pull request #178 from lexoyo/develop

Develop
Merge pull request #179 from lexoyo/develop

reverted optim : do not remove children when closing a layer
Merge pull request #180 from lexoyo/develop

fixed layouts
Merge pull request #181 from lexoyo/develop

fixed centerbox
Merge branch 'develop' of https://github.com/silexlabs/Brix into develop