Compile Errors in SyslogTest Fixed.
tidy javadoc
UI: Add documentation links to `About` page
XD-1615 UI: Create job definition from a job module

Jira: https://jira.spring.io/browse/XD-1615

XD-1615 Polishing

* Adding `capitalize` angular filter

XD-1615 Some more polishing

XD-1615 Improve form validation