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
Also added a test case for this feature.
Other changes:
1. refactored `Makefile` to have `.PHONY` marks
2. added install target to the `Makefile`, now one can run `make install` (with optional `$PREFIX` variable)
3. updated docs for `git-secret.7`, `git-secret-add.1`
4. refactored some commands to `shift` arguments
5. added a test case to the 'other-file-extension' situation
5. added `.github` folder to store templates
Closed#18
