Make restrict_sr checkbox not tick with multireddit's

Changed line 80 and made + an accepted character in the regex. This means that the Restrict Subreddit checkbox will not be ticked when linking directly to a search using multireddit's.

EG: http://www.reddit.com/r/networking+sysadmin/search?q=UDP+joke
Auto sort vote score options (and add general way to do it)

This avoid problem with people doesn't ordering it correctly.
Add clearView link while searching
put ugly lower case
Add location condition
userTagger: Use existing regex
utils: Use uncapturing parentheses, remove comment
Fix to mark Gfycat'ed links as visited
Avoid to scroll top when clicking
Avoid to scroll top when clicking on normal view
Make regex match multi and subreddit search
Better UI
Clean code
Rename the option
Remove redditgifts from manifests
Fix spelling

Thanks @mc10
Add an option to hide search options by default
Clean code
Change options descriptions
Use javascript instead of css hack