Fix compile error from latest nightly (2014-11-18)

Fixes:

```
lib.rs:499:29: 499:37 error: mismatched types: expected
`&[device::Handle<u32, device::shade::Stage>]`, found
`[device::Handle<u32, device::shade::Stage>, ..2]` (expected &-ptr,
found array of 2 elements)
lib.rs:499         self.create_program([vs, fs]).map_err(|e|
ProgramError::Link(e))
```
Fixes deprecated warning from latest nightly

Fixes:
```
../gl_device/info.rs:278:25: 278:42 warning: use of deprecated item: use
contains and BorrowFrom, #[warn(deprecated)] on by default
../gl_device/info.rs:278         self.extensions.contains_equiv(s)
```
Merge pull request #445 from mttr/nightly-update

Nightly Update (2014-11-18)