added m.hentai2read.com and www.friendshipscans.com/
improved egscans.org

fixed back function for egscans.org while on first page of the chapter
Fixed egscans

The XMLHttpRequest during the back function sometimes threw 101 network error because apparently the restriction that you cannot access data from another server with a XMLHttpRequest can apply even if the url just implies a remote server (sometimes when using absolute URLs). So I made the adress relative to the existing path to fix the issue
Update webcomic_reader.user.js

fixed m.hentai2read.com. Some xpath were not working properly (though I don't know why).
Merge pull request #4 from angekouf/master

added m.hentai2read.com and www.friendshipscans.com and fixed egscans.org