Use SSL by default on ajax requests

www.reddit.com doesn't support SSL, so switched ajax request to pay.reddit.com
Merge pull request #174 from rannmann/patch-1

Use SSL by default on ajax requests. Closes #173
Remove stackoverflow - API 1.x is down, need to upgrade to 2.x
Remove unused variable from atom.js
v0.5.0 - Fix twitter
Merge remote-tracking branch 'origin/master'

* origin/master:
  Use SSL by default on ajax requests