Fix accidental deployment of legacy apt source

Merge pull request #11 from basho/fix-duplicate-repos-on-2.x

remove old repostory from 2.x series of Ansible roles

speed up installation by adding already run checks

speed up installation by adding already run checks

add handlers used by basho.riak

Adding 'check proc writable', and 'update sysctl' handlers.

Initial 2.0.0 support

v2.0.0

Merge branch 'develop'