translation of markets (#604)

* inital translation of markets. needs testing

* depth chart update

* backport updates, remove localCurrency

* remove localCurrency from DepthChart

* orderbook tables

* main market page

* revert BlocktradesDeposit, moved to translate-blocktrades branch (#821)

* remove comments, fix order_placed message

* nicer string interp

* add price warning xlations

* change spaces to tabs

* add cancelOrder xlations