Add failing test for 'tm.should_activate'
Better failing tests for 'should_activate'
Activate or Not based on 'tm.should_activate'
Callable should only accept request for activate
Rename to activate_hook

[16:22] <raydeo> I vote for activate_hook fwiw
Rename in the tests too
False should really be False
Merge branch 'tm_should_activate' of LexMachinaInc/pyramid_tm
add docs for tm.activate_hook
Merge branch 'feature.tm-should-activate'