inode.h is not so big anymore, merge it into hadori.C
fix copy&paste oversight in license
use LDLIBS instead of LDFLAGS

LDLIBS are put behind the prerequisites by make's built-in rules so linking
won't fail with --as-needed.
tighten type requirements for range adaptors
Makefile: add libstdc++ to LDLIBS
Makefile: C++11 has been ready for a while now
Makefile: reset version.h on clean when in git