Don't show the registration button if registration is not enabled
Add Dockerfile
Add AWS docs
Added school details to registration
Merge branch 'registration' into lmio2015

Conflicts:
	cms/server/po/lt.po
	cms/server/po/messages.pot
Modified password generation function
Reimporter will not delete new users
Contest attachments
Merge branch 'contest_attachments' into lmio2015

Conflicts:
	cms/db/contest.py
	cms/server/templates/admin/contest.html
Export contest attachments
Merge branch 'contest_attachments' into lmio2015
Graphite monitoring tool
Translation fixes
Fix registration when school details are not required
Fix closure in switching questions page
Merge branch 'lmio2015' into lmio_training
Revert "Modified password generation function"

This reverts commit 88223092fd5786b0358d0d117e34b1d2b0e35f12.