first tutorials translated
Merge branch 'version_3_0' of https://github.com/coorasse/Airesis.git into version_3_0

Conflicts:
	app/views/proposals/_dates.html.erb
	app/views/proposals/_rank_left_panel.html.erb
	config/locales/defaults/en.yml
layout fixes
Merge branch 'version_3_0' of https://github.com/mion00/Airesis into version_3_0
Merge branch 'version_3_0' into version_3_1
navigator updates