sun-java status updated. More variables for paths and other repetitive
strings. Check if the tgz was already unpacked.
Ignore .tar.gz. files.
zookeeper states updated.

- More variables for paths and other repetitive strings.
- Check if Zookeeper if already installed.
- Upstart file to start Zookeeper at boot.
- Hadoop instalation fixed.
- Upstart scripts for datanode and namenode.
Upstart config dependencies set.
Accumulo recipies cleaned up.
Create parent directories.
Upstart config file for accumulo and sysctl config added.
Verbose untar removed. Remove order, states are executed in the order they appear in version bigger thatn 0.17.
Accumulo role in top.sls.
Upstart files simplefied. Switched to task type. In the future this should be improved, but is ok for now.
Merge pull request #1 from diegows/master

First working version of recipes