Add lang files for buttons and global
Add first version of module users

* Supports
  * Login
  * Logout
  * Reset password
  * Registration
  * Account confirmation
Add files for theme 'huraga'
Update URIs admin/ to use theme 'huraga'
Rename theme 'bootstrap' view 'topbar' to 'default'
Merge branch 'develop' into theme/huraga
Update two plugins of theme huraga to new location of images
Remove placeholder theme-views for module users

Transitioning to theme 'huraga'
Update package 'gasauth' with some tweaks and bug-fixes
Add first version of module 'users'

* Allows for creating, updating, deleting, confirming, and force-signing off a user
Update layouts of theme huraga with incl of jquery
Merge branch 'develop' into module/users
Update pkg 'gasauth' with some query-count reducing methods

Also add methods
* \Gasauth\Model\User::set_role($role)
* \Gasauth\Model\User::remove_role($role)
* \Gasauth\Model\Role::add_member($user)
* \Gasauth\Model\Role::remove_member($user)
Remove support for checking if a user has an active session
Update theme huraga messages-views with icons
Update \Gasauth\Model\User to include a 'last_login_at'-timestamp
Fix password being set on admin/users/create after form-validation failed
Remove folder fuel/packages/table
Add package 'hubspace/fuel-tables' as submodule
Update ctlr users/admin to use new \Table\Model