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
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.