Dedeprecated Graph AQL functions. They are still valid as they follow a different concept of graphs and connot be converted on the fly to the new graph module in general
Merge branch 'devel' of github.com:triAGENS/ArangoDB into devel

Conflicts:
	Documentation/Books/Users/Aql/Functions.mdpp
Fixed documentation idention. Was displayed as codeblock in documentation
Merge branch 'devel' of github.com:triAGENS/ArangoDB into devel
Regenerated Swagger documentatioN