add X86_COMPACT option. also add CS_SUPPORT_X86_COMPACT. made Python support this change
arm64: properly print immediate in friendly format in printSImm7ScaledOperand(). bug reported by Amanieu
arm64: fix the rest code printing out negative numbers like big decimal positive numbers
python: expose CS_SUPPORT_X86_COMPACT
config.mk: explain all the shortnames of X86 instruction sets to be removed for x86-compact
.gitignore: add test_systemz
config.mk: add more instruction for X86 compact mode
arm: more fix to print negative numbers in more friendly way
sparc: more fix to print negative numbers in more friendly way