add comments view for staff
xls file ext, download full stat buttons, proper course names in dropdowns
fix ie
fix
Merge pull request #29 from smartdec/feature/add_comments

add comments view for staff
stat page style improvements: margins etc
discussions stat issue fixed (testing needed)
Merge branch 'select/release' of https://github.com/smartdec/edx-platform into iss2899
grade summary table: searching in school login column
Merge pull request #30 from smartdec/iss3195

Iss3195
Merge pull request #28 from smartdec/iss3183-1

Iss3183 1
Merge branch 'select/release' of https://github.com/smartdec/edx-platform into iss3206
updated po files
Merge pull request #31 from smartdec/iss3206

Iss3206
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middlename required, lastname required
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Merge branch 'select/release' of https://github.com/smartdec/edx-platform into iss3183-1