Add instructions to install build_tools
Added support for extra's.
[blacksmith] Bump version
Add support for system-images
Merge pull request #19 from xadh00m/master

Add support for system-images
[blacksmith] Bump version
Fix directory name to check for system-images

Check for <android_sdk>/system-images/android-{system image version}
Merge pull request #20 from xadh00m/master

Fix directory name to check for system-images
[blacksmith] Bump version
Update gems
Issue #22 Fix typo
[blacksmith] Bump version
Add detect for ubuntu 14.04 and dont install ia32-libs
Add packages as described at http://bit.ly/1gI1nPl
Merge pull request #23 from paulccarey/master

Add detect for ubuntu 14.04 and dont install ia32-libs
[blacksmith] Bump version
Return an error on failed packages
Merge pull request #24 from msm-/master

Return an error on failed packages
[blacksmith] Bump version
give the 'android' executable proper perms

I recently encountered a situation where the upstream Android package
contained an 'android' executable without the executable bits set; this
broke many pieces of this module.