Out of Tree compilation support
Properly point to utils.mak through BASE
Make a distinction between BASE and CFGDIR, and properly set them
This is useful for out-of-tree build
move arpa/inet.h in int_coding.h
Move a system dependent header in a common place, to help portability
Fix indentation and other cosmetics (should not affect behaviour)
Merge branch 'fixes'
Conflicts: src/net_helper-ml.c
add chunk buffer size information to buffer map messages
better signaling msg size handling
renaming msg_types to grapes_msg_types
renaming som to src