SM-2274: Upgrade to Camel 2.13.0
Thanks to  Wim Verreydt for the pull request!
SM-2229 Upgrade to activiti version 5.15.1
Thanks to Filippo Balicchia for the patch!
SM-2277 activiti-camel thrown ActivitiException when put document in delivery folder
Thanks to Filippo Balicchia for the patch!

(cherry picked from commit 170b370d6e3650a2efad691762ff181382a08975)
SM-2280 Activiti test case fails after upgrade to 5.15.1

(cherry picked from commit 589c163ec8b276563817dca54ce043fa6d02b508)