Do not drop through shortcut key handling so that spurious responses
are avoided.
The keyPressEvent handlers must call the super class implementation if
the event os not handled.
Correct a typo in the shortcut help display.
git-svn-id: svn+ssh://svn.code.sf.net/p/wsjt/wsjt/branches/wsjtx@4361 ab8295b8-cf94-4d9e-aec4-7959e3be5d79
2. Add jt9code.exe to the Windows installation file.
3. Changed hotkey for "Special Mouse Commands" to F5, so that F4 again works
as it did.
4. Several corrections to shortcuts.txt.
5. Added section "Under the Hood" to the User's Guide.
git-svn-id: svn+ssh://svn.code.sf.net/p/wsjt/wsjt/branches/wsjtx@3254 ab8295b8-cf94-4d9e-aec4-7959e3be5d79
