fix Issue 13378 - Wrong failure of template value parameter deduction in IFTI
Remove special handling of delete aa[key].

This has been an error for a couple of years, and has been deprecated since pre D 1.0.
Remove special handling of old .offset property
Remove escape string literal error and improve error message
Remove error for old .typeinfo property
Fix Issue 5299 - Protected inheritance is semantically undefined

Deprecation -> Error
Fix Issue 3990 - Deferencing a dynamic array as pointer

Deprecation -> Error
fix Issue 13361 - Empty UDA accepted
Merge pull request #3898 from 9rnsr/fix13378

[REG2.066] Issue 13378 - Wrong failure of template value parameter deduction in IFTI
Do not rely on implicit construction of Prot
Remove #ifed out code
Fix shadowing in deduceType
Remove shadowing and use of goto in ForeachStatement::semantic
Replace code that doesn't convert to D
Fix COFF32 library paths for Windows 8 SDK and DX-SDK
Merge pull request #3928 from rainers/coff32_libpaths

Fix COFF32 library paths for Windows 8 SDK and DX-SDK
Remove #if that breaks statement
Merge pull request #3926 from yebblies/envcoff

[DDMD] Replace code that doesn't convert to D
Merge pull request #3925 from yebblies/noifdef

[DDMD] Remove #ifed out code
Merge pull request #3924 from yebblies/nogoto

[DDMD] Remove shadowing and use of goto in ForeachStatement::semantic