a few fixes
Merge branch 'master' of https://github.com/opencart/opencart
Changed standards on build server.

Added weights to code sniffer finds.

Added more checks.

Updated more files to ensure tabs not spaces are used.
Updated request.php library to allow for "cleaned" values and also maintain the raw global.

REF: #1402
Merge branch 'master' of https://github.com/opencart/opencart