Update prefereces for LineSpacing
Updated CSS for Illustration Gallery (SAO style)

- Cleaned up the Illustration Gallery a little
- The gallery of "Boku wa Tomodachi ga Sukanai" style has yet to be
fixed

- In style.css, I put a truck load of comments in (if it ever becomes a
templete).
(ONGOING)
Updated Rest of the CSS

- Illustration pages should look pretty.
- Full comments on CSS files
Merge branch 'master' of https://github.com/Thatdot7/LNReader-Android into Thatdot7-master

Conflicts:
	LNReader/src/com/erakk/lnreader/activity/DisplaySettingsActivity.java