Issue 3599: Add snippets_enabled flag to projects for API

Created by: dblessing

Fixes #3599 (closed).

I have tested this for both creation and retrieval via API and it all works as described. I applied these changes and tested on a master branch build.

doc/install/databases.md

@@ -20,7 +20,7 @@ GitLab supports the following databases:
     # Create the GitLab production database
     mysql> CREATE DATABASE IF NOT EXISTS `gitlabhq_production` DEFAULT CHARACTER SET `utf8` COLLATE `utf8_unicode_ci`;
-    # Grant the GitLab user necessary permissopns on the table.
+    # Grant the GitLab user necessary permissions on the table.
     mysql> GRANT SELECT, LOCK TABLES, INSERT, UPDATE, DELETE, CREATE, DROP, INDEX, ALTER ON `gitlabhq_production`.* TO 'gitlab'@'localhost';
     # Quit the database session