* Added new group module.
* Added new SubAdmin role.
* Added group field in the forms of user, publisher and register.
* Filter list of users by subadmin group.
* Filter list of users by subadmin group.
* Filter list of publishers by subadmin group.
* Filter list of massive email by subadmin group.
* Filter list publication reports by subadmin group.
* Filter list of publications by subadmin group.
* Filter list of dashboard by subadmin group.
* Added filter by group to stats.
* Changes related to group.
* Changes related to group.
* Changes related to group.
* Changes related to group.
* Changes related to group.
Merge branch 'subadmin' into develop
Merge branch 'develop' of https://github.com/rreimi/jynx into develop