- Fixed issue #55
- Fixed display of units in transactions tab
- Fixed an error when an account was not a member of a community

Conflicts:
	src/cutecoin/gui/currency_tab.py
	src/cutecoin/models/txhistory.py

Fix bug refresh_block

 Open a messagebox for better alerting user

Move Wot part at the bottom of the page

fix bug on request if transfert amount is 0

Conflicts:
	res/ui/mainwindow.ui
	src/cutecoin/gui/mainwindow.py

add about menu to open the about popup window