[MAME] New clones added:

Snake Pit (9/14/84) [Dale Luck]
peplus.c: Documentation update:

Explain the incorrect payout table of PP0103 and use correct 32K dump. Slight re-order of some clones "Newest" --> "Oldest" and slight rewording of Shockwave bonus description. - NW
granny: added notes
peplus.c: Correct all other P47A paytables - NW
peplus.c: Minor whitespace fix - nw
Removed duplicate set (stillcra == scrzy_l1)
mrgame.c : added some devices
Fixed save state regression in armedf.c (kozure and terrafb) (nw)
new NOT WORKING
Rolling Crush (version 1.07.E - 1999/02/11) [Osso, caius]

(It's a Semicom game, I need to extract the protection data)
Fixed jumppop save state regression (nw)
Fixed motos save state problem (m_scroll is used by screen_update_mappy which motos calls, not by screen_update_phozon) (nw)
Adjusted maximum value suitable for streaming and removed some dead code.
Fixed alcon and slapfigh save state problem (nw)
Minimize resampling, optimized netlist parameters in 1942
Fixed lua engine initialization (nw)
gimix: corrected FDC clock, Gimix Flex 4.3 is now bootable.
(MESS) c128: Optimized from 118% to 124%. (nw)
mrgame.c : added some video
Fixed battlane.c save state regression (nw)
Fixed tetrisp2.c save state regression (nw)