i18n

i18n some things

repair miss change and add some for i18n
i18n in cappa dir
bad hack for access to django ugettext in xmodule
some l10n
Problem creation l10n

Conflicts:
	common/lib/xmodule/xmodule/capa_module.py
	common/lib/xmodule/xmodule/master_class_module.py
	common/lib/xmodule/xmodule/peer_grading_module.py

Problem creation l10n

Conflicts:
	common/lib/xmodule/xmodule/capa_module.py
	common/lib/xmodule/xmodule/master_class_module.py
	common/lib/xmodule/xmodule/peer_grading_module.py
i18n problems

fixes

fixes and l10n

fixes

fixes

fixes

Fix in base.js

Partially fix issue #1632

Fix issue #1632

Fix #2065