Unpublished Post should not be accessible

fixes #1162
Remove .txt from blacklist.

fixes #1263
Move JS comments to task descriptions

- Makes them visible by "grunt --help"
- Normalize quoting to single
Merge pull request #1274 from nschonni/grunt-task-names

Move JS comments to task descriptions
Merge pull request #1271 from halfdan/1263-blacklist

Remove .txt from blacklist.
Added quotes to changepw admin controller
Merge pull request #1280 from dymissy/master

Added quotes to changepw admin controller
Fixes regression introduced in #1218.
Merge pull request #1281 from halfdan/regression

Fixes regression introduced in #1218.
Merge pull request #1164 from halfdan/1162-unpublished-posts

Unpublished Post should not be accessible