Add a button to print all exceptions (even caught ones)
Make it clear whether the trace or print all exceptions buttons are enabled or not
Polyfill the contains method
Merge branch 'master' of https://github.com/andreasgal/j2me.js into add_print_all_exceptions_button
Merge pull request #121 from marco-c/add_print_all_exceptions_button

Add a print all exceptions button