* Cleanup entry change notification with entryview focus in/out
* Change Open URL shortcut to CTRL+SHIFT+U to conform with an "action"
including SHIFT
* Change Copy URL shortcut to CTRL+U to conform with "copy" without SHIFT
* Entry specific toolbar and menu items are disabled unless the entry
row has focus (prevents unintended actions)
* Reword security setting for password visibility in entry edit view
* Add shortcut to hide/unhide usernames (CTRL+SHIFT+B)
* Organize entry menu
* Fix#1588 - show keyboard shortcuts in context menu
* Fix#2403 - Change auto-type shortcut to CTRL + SHIFT + V
* Fix#2096 - Add (CTRL+F) to search bar background
* Fix#2031 & Fix#2266 - add shortcut to hide/unhide passwords (CTRL+SHIFT+C)
* Fix#2166 - Add reveal password button to entry preview
Rename UI elements involved with the bottom preview panel to use the
terminology "entry preview panel" instead of "details view" or "preview
panel". Change all associated variables, widgets, and classes to
reference EntryPreviewPanel. Create Config::upgrade() function and
deprecation mapping to help rename/remove previous config settings in a
clean manner.
Fixes#2327
