Removing the js server
Adding regression tests for #125
Py test done, js in limbo
Ok, these darned things are actually arrays
Make unittests a bit more concise.

This just cleans up some duplicated code.
Clarifying note and description
Removing other references to rqljs
Checking error message on empty run
Err
fixing up some cli help problems
Merge branch 'next' of github.com:rethinkdb/rethinkdb into next
Merge branch 'slava_472' into next
Merge branch 'slava_508' into next
Merge branch 'slava_125' into next
Merge branch 'next' into sam_457_sans_libcxx