Merge pull request #61 from danghvu/next

Update Java binding with PPC arch
print out ppc_bh information in test_ppc.c & TestPpc.java
ppc: update ppc.bh in post-printer
add new option CS_OPT_MEM for cs_option(): this enable user-defined dynamic memory management. idea proposed by Pancake
move internal memory management declarations from utils.h to cs_priv.h
python: update to support PPC
python: delete redundant .gitignore
tests: simplify some accesses to insn's details, and fix some typo bugs