Adding discussion link to profile comments

* Adding a link to the discussion a comments is in
* If a comment is a reply - it gets a "In response to" hat
* There was a bug that the users own profile was showing on his replies tab - this fixes that

As a note there are some `SaSS` fixes to get the linting passing. This means people aren't running the tests.
Ideas?

![repliesprofile](https://cloud.githubusercontent.com/assets/31692/3248199/51f49bf6-f18c-11e3-9b83-1072e6eb1d27.png)

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