Introduce IssueTrackerBuilder.
Fix dependency issue.
Introduce static JiraManager (Jira of Spring and only issueTracker allowed).
Move, Rename and generalize IssueTracker.
Introduce Issue.
Introduce Tracker.
Track public issue (on jira.spring.io).
Introduce Fields (and some child elements).
Introduce additional elements to the Field entity.
Naming issue (1).
Naming issue (2).
Complete Issue as Json Object mapping.
Provide basic Authorization.
Provide basic Authorization.
Set configuration for maven compilation.
Change to different base 64 encoding util.
Bump spring version.
Merge branch 'develop'