Remove setup_thread_ids
Gitignore compilation files
Merge branch 'memcached-1.4.20' of github.com:trauzti/mimir into memcached-1.4.20

Conflicts:
	memcached-1.4.20/Makefile.in
	memcached-1.4.20/aclocal.m4
	memcached-1.4.20/compile
	memcached-1.4.20/config.guess
	memcached-1.4.20/config.sub
	memcached-1.4.20/configure
	memcached-1.4.20/depcomp
	memcached-1.4.20/doc/Makefile
	memcached-1.4.20/doc/Makefile.in
	memcached-1.4.20/install-sh
	memcached-1.4.20/missing
	statistics.c