The full list of changes:
1. Added `.docker/` folder with Dockerfiles
2. Now `travis` runs integrational tests inside these containers
3. Now `travis` runs tests with `mac os x`
4. Now there are new ways to autodeploy `deb` and `rpm` packages
5. Fixed some issues
6. Also added `.ci/` folder, where utility scripts for travis are stored
7. Moved `git-hooks` into the separate folder: `utils/hooks/`
8. Added new target to the `Makefile`
9. `.gitignore` is updated to ignore `build/` folder and inner files
