added DS_STORE to git ignore
separated attributes
removed cassandra-limits.conf.erb
recipe datastax updatd for attributes, updated dirs and added dse repo for yum
updated notify restart and attributes for recipe tarball
added missing LICENSE info to opscenter* recipe
added Managed by Chef info to tempaltes
Merge pull request #99 from vkhatri/master

Fixed DS Package Conf dir, Separated Attribute for recipe,