All dialogs get the "Qt::WindowModal" modality to
operate the Help window in parallel
while also blocking the dialog parent windows.
The manageRevocations() moved from model to view
The Details dialogs become more self-sufficient.
There is a statc start method that shows the dialog and
updates name and comment after accept().
This allows recursive starts of certificate details and
independence of mainwin.
It is necessary to set the current toplevel widget as parent
for the next dialog to not block the application.
This is a large squash of many small commits.
Allow porting data from the legacy format to SQL.
Store Binaries base64 encoded and use db->transaction
Update password hash to be 8000 x SHA512 with 8 byte Salt
Add revocations table and fixup CRL generation
Add comment and insertion date columns
Fix column saving, remove trust, add XcaDialog
Allow changing the internal name and comment in Cert/Req details view
Extend Comment functionality, Replace About.ui by XcaDialog.ui
