convert windows to unix line endings, ref #274
tabs to spaces, ref #274

I left out evap/static/.
add newlines at end of file, ref #274
remove trailing whitespace, ref #274

i didn't touch the migrations, though
Merge branch 'whitespace_fixes' into develop
added Matthias Kohnen to contributors
added python 3.3 and 3.4 to travis allow failures
Merge pull request #276 from janno42/develop

added python 3.3 and 3.4 to travis allow failures
english changes
german changes
updated questionnaire related texts and splitted questionnaire list in the two types
Revert "added python 3.3 and 3.4 to travis allow failures" because travis build status was "error".

This reverts commit 8ba793628bd8568371dcc504bb4e3f64e371cf51.
changed "public name" to "display name"
changed texts on comment review page
declared password as sensitive
rename "FSR member" to "student representative"
missing po file update
Merge pull request #280 from janno42/language

Language updates
Merge pull request #281 from janno42/sensitive_information

Sensitive information
added python 3.3 and 3.4 to travis allow failures