cross compilation support with scala 2.10 and 2.11
configure for travis
nameHashing doesn't work on travis ci
configure for sonatype publishing
add apache license
back to snapshot
Merge branch 'tinkerpop3' into tinkerpop3-snapshot

Conflicts:
	src/test/scala/com/tinkerpop/gremlin/scala/GremlinStandardTestSuite.scala