added help command for send without params
always override existing locale with request lang
This is a quick merge of dev to make sure my changes aren't useless.
Merge branch 'dev' of https://github.com/Btc4All/37coins into labelization-organizing-take-2
I add more localization and finish localization for our reset confirmation view.

Note to Self: The relevant view uses several templates, and it may be wise to test whether localization parameters work on all of them.
Ask someone to help test this front to back.