Fixing one more leftover from the Boost.Move removal
Unbreaking is_callable test for the intel compiler
Making for_each compile again with ICC
Fixing minor bug in function to make sure the proper operator= is selected in function_base
Adding function declaration to header to have the proper free function selected
Silencing warning with missing return statements on ICC
Improved support for future<R&>
Removed traits that were used to support Boost.Move
Minor modifications to registered lock detection