use TRI_AddGlobalVariableVocbase
fixed package module loading and directory.lib entry
added node modules
Merge branch 'devel' of github.com:triAGENS/ArangoDB into feature/v8cleanup

Conflicts:
	arangod/V8Server/v8-vocbase.cpp
	arangosh/V8Client/arangosh.cpp
Merge branch 'devel' of github.com:triAGENS/ArangoDB into feature/v8cleanup
Merge branch 'feature/v8cleanup' into devel