fmtowns_cd.xml: additions, better dumps, updated missing list (mamede…

…v#5687)

* fmtowns_cd.xml: additions, better dumps, updated missing list

- Replaced entries with dumps from the redump.org database, with proper track indexes and offset correction:

The 4th Unit 6 - Merry-Go-Round
Air Warrior V1.1
Dragon Shock
Final Blow
Ms. Detective File #1 - Iwami Ginzan Satsujin Jiken
Rance III - Leazas Kanraku
Sherlock Holmes - Consulting Detective
Turbo Out Run
The Visitor

- Added new working dumps from the redump.org database:

Shanghai

- Added new NOT working dumps from the redump.org database (most of these are missing floppy disks):

Air Warrior V1.2
Fujitsu Habitat V2.1L10
Hyper Media NHK Zoku Kiso Eigo: Dai-3-kan
Nobunaga no Yabou: Sengoku Gun'yuuden
Taito Chase H.Q. (Demo)

- Added a parent-clone relationship between the Windows 3.1 revisions

- Updated the missing list with some recently confirmed software

* fixed a couple of typos (nw)