fixes #18 - Analytics code added to SubsiteVirtualPage data model and CMS interface. Analytics code injected into template if present
fixes #34 - applies Sam's suggested augmentSQL fix
fixes #109 referenced controller init() called when SSVP controller initialized
Merge branch '18-google-analytics' of github.com:moveforward/silverstripe-subsites

* '18-google-analytics' of github.com:moveforward/silverstripe-subsites:
  fixes #18 - Analytics code added to SubsiteVirtualPage data model and CMS interface. Analytics code injected into template if present
Merge branch '109-init-fix' of github.com:moveforward/silverstripe-subsites

* '109-init-fix' of github.com:moveforward/silverstripe-subsites:
  fixes #109 referenced controller init() called when SSVP controller initialized