Add thumbv7[e]m-linux-eabi target specs
hd44780u: Fix dereferences
Merge pull request #220 from bgamari/target-spec

Added rustc target specs
Merge pull request #221 from bgamari/misc-fixes

hd44780u: Fix dereferences
Issues from extension trait changes
Update target-specs for executable files
Modify travis build to use GitHub tarballs

Instead of cloning and checkout, just grab the appropriate tarball
from GitHub.
Merge pull request #222 from bharrisau/nightly100

Issues from extension trait changes
Merge pull request #223 from bharrisau/target-specs2

Update target-specs for executable files
Merge pull request #224 from bharrisau/travis2

Modify travis build to use GitHub tarballs