Make test pass on R16B03+
Remove printout
Include more compiler warnings
Use latest version of R16
Revert "Make test pass on R16B03+"

This reverts commit c6bcda61252d5e7578995024acf3fa2ba0ef9c2c.
Allow meck to build under Erlang 17.0-rc2 and Erlang R16B03-1
add comment, rename macro
implement simple idea from @eproxus that works for erlang 16 and 17 and works with edoc
add erlang 17.0-rc1 to travis build list
add NAMESPACED_DICTS to test.config, fix comment in rebar.config