Increase ASM version to 4.2 to fix issues when used with robovm. Details here: http://stackoverflow.com/questions/26373644
Add javassist. Include Proxy for abstract classes that handles invoked methods dynamically (based on return type)
Replace magic number with constant Opcodes.ASM4
Merge pull request #118 from muja/master

Increase ASM version to 4.2 to fix issues when used with robovm.