Merge pull request #210 from Focus-Flow/require-localized-validator-messages-and-methods

Require localization files for validator
Updated translations
Removed js src files
Restored src folder
Updated translation source
Updated jquery validate plugin (dist files only)
Cleanup of validation script. Refactor into template to allow customisation of validation.
Explicitly set error element to 'span' as per new jquery-validate support
[ref: CWPBUG-110]
Merge pull request #203 from tractorcow/pulls/update-jquery-validate

Updated jquery validate plugin to version that works (ready to merge)
Updated master strings
Merge remote-tracking branch 'upstream/master'