Add service "Google" (http://goo.gl/)
Remove service "Klam" (http://kl.am/)
Add service "Trimnew" (http://tr.im/)

This new shortener shortener is re-using the domain name of the once popular
shortener "Trim". To avoid conflicts, the new shortener is called "Trimnew".
servies.Bitly: Remove "stop" page from test definitions

It appears that bit.ly has either completely stopped the use of it's spam
warning page, or at least removed many URLs from it's blacklist. Since all test
cases are not being blocked anymore, they were removed. The code to parse the
bit.ly stop page is however still active.
Update list of shorteners and copyright
Bump version to 2.5