Merge pull request #37 from charman/master

Python library setup changes
Add clean document example
Merge branch 'master' of github.com:hltcoe/concrete
Add situation mention example
Delete examples; will be moving them to rebar
Prepare 2.0.5 (java)
Prepare 2.0.6-SNAPSHOT for development
Add title to sectionKind.
Add SuperCommunication wrapper; add ConcreteException
Add string-based file writing method.
Prepare 2.0.6 release
Prepare 2.0.7-SNAPSHOT development
Refactor license javadoc a bit; add Util class; add Util test.
Add super text span test.