* add test for travis-ci windows support
* Make 'ps' command options platform specific *nix/windows
* Add _clean_path for windows, apply to all homedir input arguments
* export GITSECRET_DIST="windows" in git hook if running windows
* Bash lint fixes
Changes:
1. Fixes#86, now all variables are accessed as functions
2. Fixes#85, now these use cases are working correctly
3. Fixes#83, now init works relative to `.git` folder
4. Closes#77, zsh-plugin is deprecated
5. Refs #53, done some refactoring to tests
6. Closes#82, added additional information to pull-request template
7. Refs #22, plugins are deprecated
8. Also made a lot of improvments into both code and tests
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
