- moved file selection code to FileList
- fix selection summary when all files are selected
- nextPage now auto-selects files if "select all" checkbox is checked
- fixed trashbin to use the same selection logic as FileList
- Also fixes a few JSHint warnings in files app
- Added "global" comment on top of files app to suppress warning and
also inform devs about what globals are use
- added karma utility to run jasmine unit tests
- added Sinon library (for stubs/mocks/fakeserver)
- added a few unit tests for core and files
- added autotest-js.sh script