Latest wikia version [tested]

Latest wikia version tested before making the PR
release notes for 1.7.4
make sure default fee is enough
Update default fee in help text
Merge pull request #214 from rdymac/patch-9

Latest wikia version [tested]
Merge pull request #215 from linhlarry/master

Update default fee in help text
Skeleton for menu
new methods: init_menubar and load_wallet
fix conflict