EDX-246: Add feature for entrance/exit survey
EDX-246: Add survey section in Beta Instructor Dashboard
EDX-282: Fix auto migration file for student_userstanding
Merge pull request #42 from yokose-ks/EDX-246

EDX-246: Add feature for entrance/exit survey
Merge pull request #43 from yokose-ks/EDX-282

EDX-282: Fix auto migration file for student_userstanding
change common.py DISPLAY_HISTOGRAMS_TO_STAFF,INDIVIDUAL_DUE_DATES
Merge pull request #45 from YoshidaKS/yoshida0422

change common.py DISPLAY_HISTOGRAMS_TO_STAFF,INDIVIDUAL_DUE_DATES
Update po/mo files
Merge pull request #46 from yokose-ks/EDX-320

Update po/mo files
fixed new post modal bug
Merge pull request #47 from skim-ks/watui

fixed new post modal bug
fixed new-post-cancel button bug
Merge pull request #48 from skim-ks/watui

fixed new-post-cancel button bug
fixed video player (for smartphone)
Merge pull request #49 from skim-ks/watui

about video player