Merge pull request #93 from itheiss/master

Update to reflect new parameter mail_domain
Update info.rst - adding 'require' description
Merge pull request #94 from kabum/master

Update info.rst - adding 'require' description
Update database.rst

I hope that's the meaning, because I don't understand "set id" - an id of an set?
Merge pull request #95 from kabum/master

Update database.rst
Update css.rst
Merge pull request #97 from kabum/patch-1

Update css.rst
updated dev docs with new changes to the appframework
added docs on new directive
Commit local .gitignore
Merge remote-tracking branch 'upstream/master'