add .clang-format
remove util/uncrustify, add util/format
apply clang-format
add gitclean
update System requirements, etc.
OS X 10.10 support
remove 10.9/include,original.include
remove 10.8
remove 10.9/patches
add kext/10.10
update Makefile
remove some ipath
OS X 10.10 support
update NEWS
version 5.4.1