Adding Build Tools 19.0.3
Merge pull request #3 from lukaswelte/patch-1

Adding Build Tools 19.0.3
Update README.md
Update wercker-box.yml
Update install-sdk.sh
Update README.md
update gradle to 1.11
Update wercker-box.yml
Update wercker-box.yml
Update README.md
Merge upstream
Added build tools 19.1.0