require test-unit for ci
Remove useless assert, fbuffer_alloc cares already
add license information to gemspecs

This way we can get it when using rubygems.org api
* lib/json.rb: Move module overview definition for rdoc
Add license information to gemspec task
Document changes
fix a bug in the JRuby implementation. getInstanceVariable() can return a null which causes NPE.
Document changes
Merge remote-tracking branch 'github/master'

Conflicts:
	CHANGES