Added a FULL_PERFMON compile-time flag.
Add FULL_PERFMON flag to make file + minor cleanups
Python driver: make default printable

Closes #1476
Review 953 by @jdoliner
Merge branch 'next' of github.com:rethinkdb/rethinkdb into next
fixing admin cli to use appropriate terminal command characters
Merge branch 'next' into sam_endian_message