remove default (but empty) implementations of Module#extended and Module#included
make bootstrap work, as we don't have respond_to?, yet
Merge remote-tracking branch 'origin/master' into tim/fix-225
extended and included are actually private
fix private and protected method reporting for modules
untag specs that now pass for this issue
fix private Module methods visibility the right way
Merge pull request #225 from MagLev/tim/fix-225

Kernel#extended should not be defined.