* more tests * fix signature generation for Array<Array<Int>>
* generate VARARGS flag in FunctionCodegen * test in CompileJavaAgainstKotlinTest
All tests pass, but it does not mean nothing is broken.
Test is: 1. find pairs of kotlin/java files in compiler/testData/compileJavaAgainstKotlin and for each pair 2. compile kotlin file 3. compile java file with kotlin .class in classpath 4. check everything is OK