[#76] fix private key validator
fix z-index
[sweep] adjust fees by parsing counterpartyd message error + select all assets by default
[#78] pay dividend is now an address action
[#77] allow issuance with quantity=0
Merge branch 'xnova' into develop
fix spaces
Merge pull request #82 from JahPowerBit/develop

#76, #77, #78 and sweeping improvements