fix D2 pull #1480
revert last couple of pulls
revert failing test cases
fix reversion
Merge pull request #1486 from WalterBright/b9

move back end files to back end
DI Generation Improvements.
Improper permute argument in header.d.
Set +x on the postscripts.
Merge pull request #1408 from yebblies/removedotnet

Remove TARGET_NET from dmd
fix Issue 9304 - Unary minus operator doesn't work correctly with SIMD types.
Merge pull request #1488 from WalterBright/b10

fix Issue 9304 - Unary minus operator doesn't work correctly with SIMD t...
Add clean target
Add forgotten clean target src/id.[ch]
Add generated file to .gitignore
fix Issue Internal error: ../ztc/cod1.c 3510 with SIMD on OSX 32
Merge pull request #1490 from WalterBright/b11

fix Issue Internal error: ../ztc/cod1.c 3510 with SIMD on OSX 32
Merge pull request #1489 from 9rnsr/fix_vergen

More fix for vergen
Fix Issue 9195 - Should not be able to index a pointer in safed

Allow pointer arithmetic when using an offset that is known to be zero
Fix Issue 6319 - debug's relaxed purity does not apply to nested scopes
Fix Issue 6708 - immutable ref implicit cast to const ref