ioreg: Port to syntax::ptr::P
platformtree: Port to syntax::ptr::P
Merge pull request #171 from bgamari/master

Nightly fallout
Range patterns now use ...
ioreg: Nightly churn

Mostly issues due to GC disappearing
Vec::append_one is deprecated; replace with push
Range patterns now use ...
platformtree: Fix nightly issues
-Z lto is now -C lto
Add fail_fmt language item
Merge pull request #176 from bgamari/master

Various nightly fallout
Fixed errors related to the latest Rust
Fixed the tests code with regards to P/Gc pointers
Excluded broken lpc17xx demoes from Rakefile
Merge pull request #189 from kvark/rust

Fixed errors related to the latest Rust
ioreg::test: Test gap offset
ioreg: Fix incorrect calculation of gaps
Merge pull request #191 from bgamari/ioreg-fixes

A few ioreg! fixes
k20::{sim, pin}: Port to ioregs!
k20::uart: Port to ioregs!