it messes up mixed-in methods and such

Conflicts:
	test/apps/rails3/app/controllers/other_controller.rb

Fix command injection test to warn on any interpolation

also, Travis had a brainfart

and Rails 4. Closes #88

Support newer validates format

Conflicts:
	test/tests/test_rails31.rb

because it wasn't getting invoked as a private
method, which is a really stupid problem

which should be medium confidence warnings

Never got them to work righ

Fix `to_sql` false positive

when looking for bad regexes. Fixes #198

This should not change much timewise!

Conflicts:
	lib/ruby_parser/bm_sexp.rb

to avoid creating new Sexps for bodies

in controller/model processors