Update README.asciidoc
renamed simulation for gatling test.
Bump to latest gatling - still doesn't work.
Fix gatling errors in imports.
tweaks to README.
GIRAPH_GREMLIN_LIB is now the new GIRAPH_GREMLIN_HOME. A small optimization to use existing jars in cache. Speeds up load time by 2x for a Giraph job. Updated docs. VertexProgram no longer serializable (use loadState and storeState). ComputerResultStep cleaner. Fixed #43
Rename title of data migration section to explicitly state TP2.
it compiles
set java version to 1.8 in osx
tweaks to make tests pass
Merge remote-tracking branch 'origin/GradleBuild' into GradleBuild

Conflicts:
	gremlin-groovy/build.gradle
	gremlin-server/build.gradle
	tinkergraph-gremlin/build.gradle