Merge branch 'clang_format_prep_3'

.clang-format

scripts/maint/checkSpace.pl

scripts/maint/checkspace_tests/expected.txt

scripts/maint/clang-format.sh

scripts/maint/codetool.py

src/app/config/config.c

src/app/config/statefile.c

src/core/or/channel.c

src/core/or/circuitlist.c

src/core/or/circuitmux.c

src/core/or/connection_or.c

src/core/or/policies.c

src/core/or/scheduler_kist.c

src/ext/ht.h

src/feature/client/entrynodes.c

src/feature/control/btrack_orconn_maps.c

src/feature/control/control_cmd.c

src/feature/control/control_events.h

src/feature/dirauth/dircollate.c

src/feature/dirauth/dirvote.c