Move fd and memory-info functions.

.gitignore

Makefile.am

src/common/compat.c

src/common/compat.h

src/common/util.c

src/common/util.h

src/include.am

src/lib/meminfo/.may_include

src/lib/meminfo/include.am

src/lib/meminfo/meminfo.c

src/lib/meminfo/meminfo.h

src/lib/process/.may_include

src/lib/process/restrict.c

src/lib/process/restrict.h

src/or/config.c

src/or/main.c

src/test/test_config.c

src/test/test_util.c