Fix issue 8635 - Allow postfix expressions for new
Implement DIP37 Importing Packages as if They Were Modules
Merge pull request #2139 from WalterBright/DIP37

Implement DIP37 Importing Packages as if They Were Modules
Merge pull request #1111 from tgehr/master

 Issue 8635 - Allow postfix expressions for new
Fix up for refactor_funcall
Implement template overload set with basic test cases
fix Issue 1900 - Template overload sets & traits templates
fix Issue 8352 - Wrong "__overloadset isn't a template" error
fix Issue 9235 - Template mixin doesn't allow to mixin non-conflicting overloads
fix Issue 8441 - mixin containing template functions causes compiler errors
Add forward reference resolution for test/runnable/ice10040.d