Update android sdk version for travis
Update build tools version for travis
Update android support library version for travis
Update build images in readme
Update build tools version in gradle, for travis
Add debug info and stacktrace to Travis
Remove debug info from travis, use `yes y`
Partition sdk downloads into licence groups
Merge pull request #133 from daydreaming-experiment/feature/travis-fix

Feature/travis fix
Code style
Typo in comment
Merge branch 'feature/issue-108' of github.com:daydreaming-experiment/app into feature/issue-108