detab
fix Issue 9442 - typeid() doesn't work without `this.` for class fields
remove more alloca()'s
Merge pull request #1610 from WalterBright/refactor9

remove more alloca()'s
remove detritus
Merge pull request #1611 from WalterBright/refactor10

remove detritus
more refactoring of dt
Merge pull request #1595 from 9rnsr/fix9442

Issue 9442 - typeid() doesn't work without `this.` for class fields
Merge pull request #1612 from WalterBright/refactor11

more refactoring of dt
remove STRUCTTHISREF
Merge pull request #1617 from WalterBright/refactor12

remove STRUCTTHISREF
Fix master breakage.
remove SARRAYVALUE
Merge pull request #1619 from WalterBright/refactor13

remove SARRAYVALUE
Merge pull request #1618 from AndrejMitrovic/FixMasterBreak

Fix master breakage.