Code cleanup, proper jshint testing

- Clean up gulpfile
- Properly perform jshint tests
- Remove unneeded dependencies
- Remove left over parenthesis
Merge pull request #58 from halfdan/cleanup

Code cleanup, proper jshint testing
Replace quotemarks with single quotes.
Fix jshintrc.
Merge pull request #59 from halfdan/single-quotes

Replace quotemarks with single quotes.
Ability to submit comments with a keydown.

closes #49
- Small reformatting
- Handle CMD + Enter to submit post