Add maven fragment, build instructions and license to README.
Shorten file headers, moving copyright notices, license text and (lack of) warranty information into a new NOTICE file. Remove author information from classes. Change project URL in pom.xml.
Declare license in pom.
Maven build now publishes sourcecode too
Merge pull request #7 from julianhyde/publish_sources_to_repo

Publish source code to conjars
Merge branch 'master' into jline2_port