Fixes and improvements:

- fixed extraction dependencies
- added creates parameter when extracting to not re-extract files
- changed "wait 4 minutes for oracle installation" to wait up to 500 seconds, can be less
Version update
Merge pull request #14 from Garagoth/master

Small fixes and improvements in installdb.pp
replaced sleep with waitforcompletion param
replaced sleep with withforcompletion parameter
Merge commit 'c178447b4b39b13c606c5124aeed5f23dfb3f8a3' into feature/ohs_module