"2007-2015" is weird because it started in 2009 and it's looking like the epilogue will come in 2017. We had [S] Collide and [S] Act 7 in 2016 so the webcomic itself definitely didn't end in 2015. It may be that they're referring to the famdom, as Jailbreak started in 2007 and the famdom died down significantly from all the pausing before the webcomic itself finished.
http://www.mspaintadventures.com/?s=6&p=010029
"2007-2015" is weird because it started in 2009 and it's looking like the epilogue will come in 2017. We had [S] Collide and [S] Act 7 in 2016 so the webcomic itself definitely didn't end in 2015. It may be that they're referring to the famdom, as Jailbreak started in 2007 and the famdom died down significantly from all the pausing before the webcomic itself finished.