Releases for Contact Save

Changes since 6.x-1.4:

#807758: hide category filter when there are no categories - thanks, muschpusch.

Changes since 6.x-1.2:

- Added "administer own received messages" permission.
- Added user "Messages" tab, where recipients of site-wide contact submissions can manage all messages sent to them, if granted the new "administer own received messages" permission.
- Changed link which is included at the top of e-mail notifications; it's shorter now, and will redirect the user to the appropriate form, depending on their permissions.
- Re-worded a few texts and instructions.
- Fixed bug so the "No contact form submissions have been made yet" message would appear properly.

- Added CC checkbox on reply form.
- Nicer display of recipient list when there are more than two.
- Option to include link to saved submission at the top of the e-mail sent by contact module.
- Added help instructions, made Submissions tab lighter than Settings.
- Filter by category.
- Removed duplicate category storage.
- Cleaner interface on submissions page.

- Added CC checkbox on reply form.
- Nicer display of recipient list when there are more than two.
- Added ability to include link to saved submission at the top of the e-mail sent by contact module.
- Added help instructions, made Submissions tab lighter than Settings.
- Filter by category.
- Removed duplicate category storage.

Fixed a layout issue when viewing the message; added field to store uid of user who replies to message through the website.

The first release of the module, which saves all contact form submissions to the database, provides an administrative page to view the submissions, and allows admins to reply to the message through the website.