added TODO item to java role
bump Spark to v 1.1.0
set scala_lib_path in site.yml
disable Shark (not needed with Spark 1.1.0)
delete sbt role
Squashed 'roles/sbt/' content from commit 0676cfe

git-subtree-dir: roles/sbt
git-subtree-split: 0676cfefb0f95f52f1efb0b4ef4d7cc0395524a8
Merge commit 'fcf32ff9f0c0e9e0943b207288a5a78254f833f1' as 'roles/sbt'
removed sbt
Squashed 'roles/sbt/' content from commit 0676cfe

git-subtree-dir: roles/sbt
git-subtree-split: 0676cfefb0f95f52f1efb0b4ef4d7cc0395524a8
Merge commit 'ac8163e802cd8d660ee9b127cc4df9576eb60d39' as 'roles/sbt'
added .gittrees
removed scala (will add as subtree)
Squashed 'roles/scala/' content from commit 106caa2

git-subtree-dir: roles/scala
git-subtree-split: 106caa271b8d45b1c6c3c053c335c43d4ec8fa74
added roles/scala as subtree from https://github.com/AnsibleShipyard/ansible-scala.git
added roles/scala subtree info to .gittrees
moved spark vars to spark_standalone roles
moved ampcamp vars to ampcamp role
moved mesos vars to mesos role
moved shark vars to shark role
move tachyon vars to its role