Added simple unit tests to increase coverage of ComparableClassWrapper for REP-540
Increased unit test coverage for HeaderValueParser for REP-540
Increased test coverage for StyleSheetInfo for REP-540
Using expected exception rather than try catch block
Changed StyleSheetInfoTest to JUnit
Changed ComparableClassWrapperTest from groovy to java
Moved filed from Java to Junit Groovy
Changed tests to use hamcrest matching
Dimitry Debug
Merge pull request #962 from rackerlabs/REP-540

Rep 540 - Increased unit test coverage for 3 classes