english changes
german changes
updated questionnaire related texts and splitted questionnaire list in the two types
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
Merge pull request #283 from fsr-itse/allow_python_3.3_and_3.4

added python 3.3 and 3.4 to travis allow failures, take two
Update README.rst

formatting was broken after 0374fc058280f6894329d052451b7b748b6d7059
added django_auth_kerberos as authentication backend