arcompact (nw)
New clones added

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Dominos 4 (Coctail) [Mariusz Wojcieszek]
spelling fix (nw)
arcompact - start to add the hardware loop support (nw)
(MESS) softlist: misc additions. nw.
(MESS) megadriv: slightly improved support for CodeMasters 2-in-1 carts
and added a pair of unlicensed game dumps. nw.
documentation fix. nw.
checkpoint (nw)
(MESS) excalibur : more unused code (nw)
sf2amf: working inputs (MT05808) [darq]
abc99_device:: fixed "ROMENTRY_ISREGION(region)" assert, now asserts in z8536.c (nw)
Robert, is that your idea of a joke? (nw)

Revert "(MESS) excalibur : removed unused code (nw)"
Revert "(MESS) excalibur : more unused code (nw)"

This reverts commit 82e58068109f8932732da1cc80761f0ae62e7638.
This reverts commit 3b4803da9a482ffdcbb1394a3e2106b2b70d5f84.
mc1502.c: fixed hardlocking regression for pk88 (nw)
New clones added

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Super Breakout (Cocktail, prototype) [Mariusz Wojcieszek]
arcompact - it's actually executing code in cartridge space now (nw)
(nw)
Merge branch 'master' of https://github.com/mamedev/mame