CSS fix for issue 956 comment msg4254. Settings page.

Fixed some CSS issues for [issue956](https://openhatch.org/bugs/issue956):
* Changed the skinny class to have a margin-right of 15px
* Added column and two-columns-* to components in the settings.html and settings_tab.html files.

Before:
![openhatch_set_location](https://cloud.githubusercontent.com/assets/1918027/2739626/b17c92f0-c6b6-11e3-8534-87915aa897b6.png)

After:
![openhatch_settings_fix_align](https://cloud.githubusercontent.com/assets/1918027/2739638/f8ffbe2c-c6b6-11e3-8a27-5ba39effcd46.png)