Join array, to be sure.
Front-end controller comments.
Back-end controller comments.
Fix typo. (Thanks GawainLynch!)
Spotted another typo.
fix url for extension on windows hosts
Fix issue #1924
Merge pull request #1932 from rarila/issue-1924

Fix issue #1924
Merge pull request #1927 from jkazimir/comments

Comments for the Frontend/Backend controllers.
Merge pull request #1931 from versh23/issue-1929

fix url for extension on windows hosts