fix #727
adjust receive_list column width
connect receive_list, to display saved items
fix: clear receive tab if an item is deleted
disable save_request_button if fields are empty
do not show send from menu for addresses that have no coins
waiting dialog: handle exceptions
catch invalid password exceptions in sign_raw_transaction too
fix decimal point in AmountEdit
Merge remote-tracking branch 'upstream/master'

Conflicts:
	gui/qt/main_window.py