lz4.c no longer depends on lz4_decoder.h (removed)
Decompression speed improved under GCC
Improved speed of LZ4_decompress_safe_partial()
Added new utility : fullbench 
Modified x64 detection macro, as suggested by David Karner
Improved Fuzzer tool
Updated xxHash to r30

git-svn-id: http://lz4.googlecode.com/svn/trunk@97 650e7d94-2a16-8b24-b05c-7c0b3f6821cd