Merge branch 'dsiegel-2.4.1' into 2.4.1

Conflicts:
	CHANGELOG.textile
	pom.xml
Merge branch 'dsiegel-2.4.1' into 2.4.1
Update changelog for https://github.com/tinkerpop/frames/pull/84.
Merge branch 'master' into 2.4.1

Conflicts:
	CHANGELOG.textile
Turn off doc lint to allow java8 build
https://github.com/tinkerpop/frames/issues/86
Fixed methods with paramtereized return types.
Fix version on pom and changelog