Update model.php

Bugfix: getByTags not working (backend)

Faq records with the tag added did not show in the list of used tags.

How to simulate problem?
- Add a tag to a faq question
- Goto Backend > Modules > Tags > [select tag] > Edit
- The faq question is not listed
Merge remote-tracking branch 'forkcms/master'
folder should be included
Bugfix for CoreMailer
Merge remote-tracking branch 'upstream/master' into MailerBugfix
Merge from master
Merge pull request #722 from jeroendesloovere/MailerBugfix

Bugfix for CommonMailer
Frontend AJAX url now works again
Merge pull request #729 from jeroendesloovere/bugfixFrontendAjax

Bugfix for Ajax call URL in frontend.js
Typo fix in mailmotor installer
Merge pull request #731 from jessedobbelaere/mailmotor-installer-typo

Mailmotor: fixed typo in installer
Fixes #736
Changelog updated
Camelcased widget 'Detail'
Fix making new FormBuilder widgets
Sends CSS to template
Fixes camel casing of template name
Merge pull request #742 from jonasdekeukelaere/fix-mailmotor-bug

Fix mailmotor bug
Fixes #744
getModulesForDropDown() needs no variables