issue #3084 solved, bug cannot use a stdObject as an array
FIX: Added in required PHP constant value 'CDN_OFFER_URL' which was missing from the installer config causing the installation to complete but display a notice on environments where error reporting is enabled.
Merge branch 'release/2.2.4' into 2.2/develop
Tests 2/3 success for 2.2/develop
Merge branch '2.2/feature/Installer_fix' of https://github.com/phillipdaviesdeveloper/pyrocms into 2.2/develop

Conflicts:
	installer/config/constants.php
Add travis vhost setup.
Fix travis tests for 2.2
Fix travis tests for 2.2
Merged branch '2.2/develop'
Limit the scope of plugin data
Clean form inputs if they fail validation
Escape tags everywhere
Added another contributor
Merge pull request #3086 from zantez/2.2/develop

issue #3084 solved, bug cannot use a stdObject as an array
Merge branch 'release/2.2.4' into 2.2/master