Hyperion: major refactoring
- temper executable require during resetAll until all executable compilation
- do not commit for each FSItem, but only during version createion
- commit also Executables with FSItem
- support history and version restoration for Executables
- removes git history compaction
- upgrade dependencies to last version
- switch from cake custom builder to gulp
- use Bitdeli for github statistics

Rheia: upgrade stored Atlas client, and upgrade tests