Latest wikia version [tested]

Latest wikia version tested before making the PR
Update default fee in help text
Fixes the QR code widget to include a 10px margin to offset the widget on dark theme background.
Updated the QR Code plugin to enable offline/online wallets to transmit unsigned/signed transactions via QR code.
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
Merge pull request #221 from EnigmaCurry/fix-qr-margin

Fixes the QR code widget to include a 10px margin to offset the widget on dark theme background
Merge pull request #227 from tigereye/master

Sending/Receiving unsigned/signed transactions via QRCode
Merge branch 'master' into kivy
Merge branch 'kivy' of github.com:sierra3d/electrum into kivy