refactored registration related functions to barcamp object
added admin registraion handler
implemented mail template editing
started implemeting newsletter sending
implemented button groups for participant list edit
mail text edit screen overhaul
sending newsletter done
overhaul of newsletter form and send mechanics
removed debug print
fixed typo
fixed error when translating mail subject
added script for setting default mail templates to all barcamps
Merge branch 'editable-mail-templates' of https://github.com/mrtopf/camper into editable-mail-templates
moved flash messages down for barcamps
fixed german mail texts (Sie -> Du)
Merge branch 'editable-mail-templates'

Conflicts:
	camper/barcamps/templates/userlist.html
	camper/messages.pot
	camper/translations/de/LC_MESSAGES/messages.mo
	camper/translations/de/LC_MESSAGES/messages.po
	camper/translations/en/LC_MESSAGES/messages.mo
	camper/translations/en/LC_MESSAGES/messages.po
added missing translation
Merge branch 'newsletter'

Conflicts:
	camper/barcamps/__init__.py
	camper/messages.pot
	camper/translations/de/LC_MESSAGES/messages.mo
	camper/translations/de/LC_MESSAGES/messages.po
	camper/translations/en/LC_MESSAGES/messages.mo
	camper/translations/en/LC_MESSAGES/messages.po