This allows `t:word` instead of `title:word` and `p:word` instead of `password:word`, and so on. The rule is that an abbreviated name expands to the first field name that starts with it, with exceptions
`u:` expanding to `username:` instead of `url:` and `pw:` expanding to `password:`.
* DatabaseTabWidget::newDatabase returns the created DatabaseWidget
* Emit DatabaseTabWidget::databaseOpened signal before a new tab is added
* EntrySearcher can now search attribute values including custom ones
* Add Group::applyGroupIconTo to set the group icon on the supplied entry
* Implement desktop notifications through the system tray icon
* Add DatabaseWidget::deleteEntries to delete a list of entries
* Add Aes128 in SymmetricCipher::algorithmIvSize
* Add DatabaseWidget::databaseReplaced signal
* Add a helper class to override the message box's parent (prevent bugs)
* Support ! modifier (same as '-')
* Create reusable PopupHelpWidget as self-contained popup that can
be positioned around a parent widget and will follow the movement
and sizing of the window
* Eliminated KEEPASSXC_MAIN_WINDOW macro and replaced with
getMainWindow() function
* Add tests to cover search help show/hide
This patch aims at reducing the number of copies for obejcts that could
be referenced rather than copied, because they're not modified during
the computation.
* Search Group details in addition to entry details; feature parity with KeePass
* Remove assertions to prevent crashes in Debug mode when search result is empty
