Fix #39 Loading the config file again removes the directories from the sources
Fix #33 Parity device size warning is misleading
- Improve text for the "Full sync" button
- Fix Warn log colouring
- Add Horizontal size for listbox items
- Add Launch Wordpad for current config file
- Improved Cannot Add message
Test #26 "z-parity" is not catered for. - Add ChangeLog menu back
- Move code to the menu handler region