Update Jackson
We've used OK everywhere else
Merge branch 'master' of github.com:scobal/seyren
Merge branch 'master' of github.com:scobal/seyren
Merge branch 'master' of github.com:scobal/seyren
Merge branch 'master' of github.com:scobal/seyren
Merge branch 'master' of github.com:scobal/seyren
Merge branch 'master' of github.com:scobal/seyren

Conflicts:
	seyren-web/src/main/webapp/html/check.html
Correct some classes which must've moved