Fix Tachyon directory permissions

Otherwise, tachyon-{master,worker,env}.sh's permissions keep changing
back and forth, always sending notifications to daemons and forcing them
to restart.
Update cloudera cookbook dependency and fix clearstorydata-monit dependency

Also remove comment from the Tachyon user because it changes the comment
for the spark user when they are the same.
Use shellescape instead of inspect
Update dependent cookbook versions
Merge pull request #2 from mbautin/fix_tachyon_permissions

Fix Tachyon permissions and dependency versions