simple test framework
flip logic to run comparisons based on expected output
Update README.md
Merge pull request #29 from uiuc-cs428/test_output

simple test framework
JUnit test that executes a code generation and checks outputed code
Updated Generate for standalone operation
Merge pull request #30 from uiuc-cs428/JunitTestExample

JUnit test that executes a code generation and checks outputed code
pub/priv/prot and read-only attr support
Merge branch 'master' of https://github.com/uiuc-cs428/uml2ruby into ClassAttributesUserStory
add class attributes junit test