removed code for special handling of _trx and _replication
renamed _getFromVertex(...) -> _fromVertex(..)
Merge branch 'devel' of https://github.com/triAGENS/ArangoDB into devel

Conflicts:
	js/common/modules/org/arangodb/general-graph.js
renamed _getFromVertex(...) -> _fromVertex(..)
Documentation fixes in general graph module. Fixed Example to drop a graph (drops collections in background now)
Fixed some some issues with the appearance of the Foxx Chapter
renamed _getToVertex(...) -> _toVertex(..)
Merge branch 'devel' of https://github.com/triAGENS/ArangoDB into devel
added underscore
Fixed minor mistakes in general graph module documentation
Merge branch 'devel' of github.com:triAGENS/ArangoDB into devel
Fixed typo.
fixed bug in commonPorperties, now attributes with the value of 'false' are included in result, fixed js shell to full general-graph support
Merge branch 'devel' of https://github.com/triAGENS/ArangoDB into devel
Merge branch 'devel' of https://github.com/triAGENS/ArangoDB into devel
Added PDF
bug fix: autocompletion and tab
Whitespace, spelling.
sorting for edgeDefinitions added
Merge branch 'devel' of https://github.com/triAGENS/ArangoDB into devel