Added some popup notification for drush

It helps users to know that after installing it `$ drush` will be available as a system service.
Change MySQL Resource Key from user@name to Config Key to increase the possibility of user, hosts and database combinations, this way one can attach the same user on a different host to the same database, which was not possible before due to conflicts on the ky.
Change text on form to represent this change
:fireworks: New Year! :fireworks:
Fixes minor typo in post provision notice
expand default roles to allow full access to the database
Merge pull request #1020 from shivapoudel/patch-6

Added some popup notification for drush
Merge pull request #1032 from pauloelr/fix_mysql_key

Change MySQL Resource Key from user@name to Config Key
Merge pull request #1049 from axisthemes/MIT-License

New Year! with Standard MIT-License
Merge pull request #1122 from maddo/master

Fixes minor typo in post provision notice
Merge pull request #1140 from kminek/master

expand default roles to allow full access to the database