Initial Graph support implementation

Signed-off-by: Frank Mayer <frank@frankmayer.net>
Merge branch 'devel' of E:/PHPStorm/Github-Repos/ArangoDB-PHP into devel
Uncommented test for collection property isSystem, now that issue https://github.com/triAGENS/ArangoDB/issues/395 is resolved

Signed-off-by: Frank Mayer <frank@frankmayer.net>
Fixed Typos

Signed-off-by: Frank Mayer <frank@frankmayer.net>
Merge branch '1.2' into devel

Signed-off-by: Frank Mayer <frank@frankmayer.net>
Bumped version to 1.2.beta2

Signed-off-by: Frank Mayer <frank@frankmayer.net>
New Travis script

Signed-off-by: Frank Mayer <frank@frankmayer.net>
Merge pull request #35 from frankmayer/devel

Travis update + minor fixes
Merge branch 'devel' into 1.2_graph

Signed-off-by: Frank Mayer <frank@frankmayer.net>
Minor Documentation and Code Reformatting for PSR-2

Signed-off-by: Frank Mayer <frank@frankmayer.net>
Fixed _key not set in Edges

Signed-off-by: Frank Mayer <frank@frankmayer.net>
Converted remaining $policy function parameters to $options arrays.
Added missing 'waitForSync' options

Signed-off-by: Frank Mayer <frank@frankmayer.net>
Fixes and refactoring

Signed-off-by: Frank Mayer <frank@frankmayer.net>
Defined some constants on the document class

Signed-off-by: Frank Mayer <frank@frankmayer.net>
Defined some url parts for the graph API implementation

Signed-off-by: Frank Mayer <frank@frankmayer.net>
More Work on Graph API implementation + First Tests

Signed-off-by: Frank Mayer <frank@frankmayer.net>
Some PHPDoc fixes

Signed-off-by: Frank Mayer <frank@frankmayer.net>
Introduced Vertex and VertexHandler classes

Signed-off-by: Frank Mayer <frank@frankmayer.net>
1) Use Vertex class instead of Document class
2) reflect name-change deleteGraph() -> dropGraph()

Signed-off-by: Frank Mayer <frank@frankmayer.net>
make some functions protected

Signed-off-by: Frank Mayer <frank@frankmayer.net>