updated ArangoDB Version for travis to 1.3-rc1 + test
updated ArangoDB Version for travis to 1.3-rc1 + test

frankmayer/ArangoDB-PHP,arangodb/arangodb-php,frankmayer/ArangoDB-PHP,arangodb/arangodb-php,diabl0/arangodb-php,cesarsmaniotto/arangodb-php,cesarsmaniotto/arangodb-php,diabl0/arangodb-php