Fixed a lot of template bugs.

- agenda overview: Text align right for duration column.
- item summary slide: Show 'get_title_supplement' after each related agenda item.
- item detail view: Add ":" in button after item content_type
- projector: Show <hr> below title/subtitle line.
- motion view: Check manage permission for delete version button in version history table.
- motion detail view: Update version authorized badges and go to buttons.
- motion list: Link warning icon to newest version.
- assignment detail view: Added ballot paper pdf button.
- Group slide and overview: Show members.
- Use dynamic title column width in participants pdf.
- Fixed missing translations in user settings form.
- IE8/9 fix for projector template style.
- Style linebreak and border in h1 title with css.
Merge pull request #1087 from DerPate/master

Agenda Item Time input fixes #1085
Merge pull request #1091 from emanuelschuetze/template-fixes

Fixed a lot of template bugs from irc test session.
Fix tests.
Changed requirements to flexible versions in setup.py
Added help text for duration field in agenda item form. (Fixed #1085)
Translate state.name in motion log message.
Updated EN po file.
Merge pull request #1105 from normanjaeckel/FixTest

Fix tests.
Merge pull request #1108 from emanuelschuetze/duration

Duration field and EN translation file
Use btn-mini class for list of speakers question in agenda view.
Added wxpython license file. (Fixed #1109)
Merge pull request #1106 from ostcar/requirements

Changed requirements to flexible versions in setup.py
Template fixes

- Agenda overview: Fixed padding of duration column.
- Agenda overview: Optimize header information for small devices with bootstrap's row-fluid class.
- Fixed text align in assignment detail template.
Merge pull request #1112 from emanuelschuetze/template-fix

Minor template fix
Merge pull request #1113 from emanuelschuetze/wxpython

Wxpython license file (fixes #1109)
Merge pull request #1116 from emanuelschuetze/template-fix2

Minor template fixes
Fix start script help text.
Merge pull request #1117 from normanjaeckel/StartScriptFix

Fix start script help text.
Fixed countdown and projector update issues

* agenda_item.get_absolute_url('projector') returns the activate-url of the related slide.
* agenda_item.is_activate() returns True, if the related item is active
* Fixed set_active_slide to accept kwargs
* Reset countdown when saving a new duration time
* Update countdown overlay when begin_speak and end_speak is called
* Fixed blinking countdown

Fixes: #1078, #1076, #1075