fix #1044 Remove GNU GPL header
Make sure QuestionView.get_question_message is in a unicode context.

This is important if the attribute question_message is set with
ugettext_lazy which needs an unicode context

Fixes #1066
Merge pull request #1062 from DerPate/fix#1044

Fix#1044
Merge pull request #1064 from emanuelschuetze/fix-947

Fixed #947: Move pdf functions of participant app to new pdf.py
Merge pull request #1069 from ostcar/reset_passwort_question

Make sure QuestionView.get_question_message is in a unicode context.
Use the default django message back end
Merge pull request #1060 from ostcar/use_default_message_backend

Use the default django message back end
Merge pull request #1071 from emanuelschuetze/fix-1070

Fixed #1070 (Clear search index for deletedb and syncdb command)
Improved #1023 - Motion csv import: Collect all warnings and errors in one message.
Rename assignment to election in translation strings which are used in the GUI.

Updated EN po file.