The non-themed import basically is just a proxy using some
auto-detection to find out which theme to use.
As the app only uses the basic theme, this is what we'll import.
* make it much faster for large transactions to open by not drawing and
then hiding the inputs/outputs that are not relevant to us.
* Allow expanding cloaked addresses by clicking on them.
* instead of a right mouse button menu, show a copy icon next to each
address.
* Add the chainprefix to the clipboard on copy.
tomFlowee