Cleanup ctlr users/admin
Add basic folder structure for module mailer
Add migration 019_Add_mailer_queue_table
Add v 0.1.0 of library mailer/Mailer to send mails using queues
Add lib mailer/Mailer to autoload['libraries']
Update lib Base_library with methods config, and __get
Merge branch 'develop' into feature/mailer
Update lib mailer/Mailer

* Nicer Mailer::_log_mail
* Now sending mails logs them on development and sends then on any other environment
Add admin/mailer and admin/mailer/compose
Update lang eng/icf_button

* Add line 'icf.button.send'
Fix bug in lib Template that would reset scripts once a raw-script was added
Update lib Template to allow sorting assets by dependcies

Thanks to laravel-framework
Update config assets.php for both themes adminique and huraga
Update module acl

* UI fixes, improvements, and adaption to other modules
* Update lib acl/acl to not have too many unnecessary wrapper methods
Add method Nested_set_Model::get_parent
Update module acl

* Add ServiceWrappers to lib acl/Acl to allow easier management of roles, resources, permissions, etc.
* Match language lines
Update lang eng/icf_{errors,message}
Delete models acl/acl_{resource,user}_role_m

Renamed in earlier commit
Merge branch 'develop' into feature/pagination