IDE-125.  Support delegation of interfaces extended by structures implemented nominally by the declaring class
Merge remote-tracking branch 'origin/spec' into spec
I'm an idiot
Add string for self-delegation warning and a test to ensure that there are default strings for all declared resource keys
fix tests
Merge remote-tracking branch 'origin/spec' into spec
IDE-1255.  Prohibit conflicts between delegates wrt implicit interface member impls.  If two members have the same signature, regardless of whether or not the declaring interfaces are the same, the parser signals the conflict with a parse error.
perf.  bypass Any Big -> Any Number coercion, + fix Any Dim -> Any Number where Dim is Big and Number is not.
Merge branch 'spec' into master