fixed: add alert & double-click prevention while submitting answers
Merge pull request #50 from skim-ks/watui

fixed: add alert & double-click prevention while submitting answers
fixed: add alert & double-click prevention while submitting answers
Merge branch 'watui' of https://github.com/skim-ks/edx-platform-1 into watui
Merge branch 'watui' of https://github.com/skim-ks/edx-platform-1 into watui
Merge branch 'watui' of https://github.com/skim-ks/edx-platform-1 into watui
Merge pull request #51 from skim-ks/watui

fixed problem.html
EDX-358: Add translation for Show/Hide Answer(s) button
fixed open-ended interface (EDX-371)
Merge pull request #52 from yokose-ks/EDX-358

EDX-358: Add translation for Show/Hide Answer(s) button
Merge pull request #53 from skim-ks/watui

fixed open-ended interface (EDX-371)