merged with cbeams formatting changes. use MVP pattern for create offer screen
Merge remote-tracking branch 'origin/master'

Conflicts:
	src/main/java/io/bitsquare/gui/trade/createoffer/CreateOfferController.java
	src/main/java/io/bitsquare/gui/util/BSFormatter.java
merged with cbeams formatting changes. use MVP pattern for create offer screen (2. update)