BZ-1045088 - <distributable/> tag is commented out in web.xml

(cherry picked from commit 2b1d7da419cac74d127f37999c7c13a10d7e254c)
Task Details screen improvements: PR 69 (more details in the PR description)
- adding missing event class
BZ-1042521: updating process instance list on details changes
BZ-1042520 - BZ-1033541: if there is no data to show close the task details panel
BZ-1045355: remove deploy content from war