When open wallet from menu, also use the JMOpenWalletDialog to handle the workflow
Create a new "errorMessageLabel" in the OpenWalletDialog, and show the error message in this new label instead of in a separate message box popup.
Auto focus on passphraseEdit when OpenWalletDialog is launched, and when a wallet file has been chosen
If the user has an incompatible version of PySide2 installed on their system, the generation process might fail.
Since we have already checked in the correct version of the generated QT UI code, we don't need to run the generation process for every user in the `setup.py`
1. The url for jmqtui should be `/jmqtui`, not `/jmfg`.
2. All the urls in setup.py must specify `tree/master` as part of the url, otherwise the links can no longer be opened.
3. All the urls in setup.py should use `https` instead of `http`, even though GitHub will auto redirect the request to use `https`.
4. Use `JoinMarket-Org` instead of `Joinmarket-Org` in the url links for better consistency, even though it doesn't affect the effectiveness of the link.
Adam Gibson
Kristaps Kaupe
Wukong
Adam Gibson