Make sure arguements to Map.[]= are passed correctly

Macros automatically concatenate NodeLists into an argument list. Maybe
this needs to be manually specified?
Start re-implementing the TypeFactory in Mirah.

Note that this is not a port. I'm starting from scratch implementing
the interfaces used by the Typer and Backend. And writing unit tests
along the way!
Start implementing method lookup.
Fix missing value conversion on local variable assignment.
Start implementing method lookup.
Merge
Disable the -j/--java flag

The lack of a Java source backend renders it unnecessary.
use bundle exec when running maven exec jruby tasks
bump version to 0.1.1.dev
add license to a couple test files
add java 8 bytecode support. fixes #210
compile closure in closure test and run it
Merge pull request #211 from jstepien/remove-dash-j-flag

Disable the -j/--java flag
Start support for changing supertypes.
Don't call varargs? on macros
Add missing cast
Implement missing method
Introduce MirrorLoaders, and delegate to them from MirrorTypeSystem.
Remove unused method.
Start support for reading type info from .class files.