Fixed JS ModuleInfoReader to be able to read both pre-7.0 and the new 7.0 format files (see ceylon/ceylon-js#337)
Added sources for the pre-compiled test modules so we can regenerate them when necessary (see ceylon/ceylon-js#337)
Fixed JS ModuleInfoReader test case because of changes to the JS file format (see ceylon/ceylon-js#337)