Updates copyright year.

Merge pull request #338 from TomHarte/MSXComposite

onsolidates Mac presentation of composite video selection.

Merge pull request #336 from TomHarte/TMSGamma

Sets TMS input gamma.

Merge pull request #302 from TomHarte/OricStartup

 Ensures Oric video output starts up and changes validly.

Corrected name of build tool.

Merge pull request #263 from TomHarte/WriteableDSK

Makes CPC-style .DSK files writeable

Merge pull request #262 from TomHarte/BookEnds

Adds a facility for 'bookending' data runs, eliminating an occasional Electron rendering error

Merge pull request #232 from TomHarte/ElectronShift

Ensures all parts of the Electron have a fully-defined initial state.

Merge pull request #227 from TomHarte/NoCPCOptions

Removes the CPC options panel.

Merge pull request #199 from TomHarte/VicColoursUSA

Corrects Vic-I NTSC colour output