Prepares for legacy combination
Adds legacy fixmyjs
Adds initial tests
Adds tests for debugger statement removal
Adds tests for constructor invocation
Adds leading decimal test
Adds trailing decimal test
Removes koala legacy tests
Adds test for var deletion
Adds tests for missing radix on parseInt
Adds tests for isNaN
Adds ASI tests
Adds tests for unnecessary semicolon and empty stmt removal