searchHelper: Copyedit and slightly adjust code
more gitignore fixes (CSS files, other extension files)
make settings openable from np (by ditching the np)
change links to np.reddit.com/ or / into www.reddit.com/ on mousedown

don't use <base>, that breaks too many things
Merge pull request #1564 from honestbleeps/np-escape-2

escape NP, take 2