Add OK or Successful HTTP codes 200-206 to HttpResponse::isOK(). Fixes #3531
Don't treat tables that substring match as associations

The table structure of:

- packages
- userpackages
- georegions
- userpackages_georegions

Should not create a habtm between packages & georegions.

Fixes #3532
Rebased and Squashed

Added App::users to the PluginAppController and PluginAppModel Templates
Changed \r\n to \n\n in PluginTask.php
Merge branch 'master' of github.com:jroberts0001/cakephp