Bring compiletest/rustpkg/driver up to date on std vs core
Update tests.mk

disable rusti tests, nothing's landing
auto merge of #7520 : alexcrichton/rust/update-compiletest, r=pcwalton

Also marks them with `#[deny(warnings)]` (I think they're both only ever really built past stage1)
Added external iterators for SmallIntMap and SmallIntSet

Adding iterators for extra::smallintmap

Working on mutability error

Ran into ICE

More mutability problems

Working through mutability issue

working on getting tests passing

SmallIntMa tests passing

Added SmallIntSet iterators, and the tests are passing

Stripped trailing spaces

Removed extra use directive
Merge branch 'smallintmap_enum' of github.com:MarkJr94/rust into smallintmap_enum

Added external iterators for SmallIntMap and SmallIntSet

Adding iterators for extra::smallintmap

Working on mutability error

Ran into ICE

More mutability problems

Working through mutability issue

working on getting tests passing

SmallIntMa tests passing

Added SmallIntSet iterators, and the tests are passing

Stripped trailing spaces

Removed extra use directive

Added external iterators for SmallIntMap and SmallIntSet

Adding iterators for extra::smallintmap

Working on mutability error

Ran into ICE

More mutability problems

Working through mutability issue

working on getting tests passing

SmallIntMa tests passing

Added SmallIntSet iterators, and the tests are passing

Stripped trailing spaces

Conflicts:
	src/libextra/smallintmap.rs