Enable upgrading of stash without manual intervention

  - tested upgrades:
  *    2.10.1 to 3.2.4 to 3.3.0
  *    2.10.1 to 3.3.0

minor updates
  * remove spaces from facts template.
  * bump stash to version 3.3.0
  * update readme
  * bump module to 1.0.0
  * update server.xml to work with 3.3.0, tested in 2.10.1 and 3.2.4 for compatibility.

Tested on RHEL6.
TODO: test on RHEL5/Ubuntu 12.04