Merge pull request #26 from triAGENS/devel

Devel
made tests sharding ready
fixed admin/role
fixed typo
enabled async and batch tests
Merge branch 'triagens-devel' into devel
changed repo to original
fixed some bugs
fixed bugg in query explain
some cleanup
fixe new issues with batch jobs
fixed typo
re-added db.index.create method
fixed broken db.simple.firstByExample
fixed typo
try fixing test setup
fixed null reference error when no options is specified in put function.
removed firefox from testsuite, added PhanotmJS instead
added karma launchers to test file
updated ArangoDB download URL