Merge branch 'develop' of github.com:trufflesuite/ganache-cli into de…

…velop

README.md

@@ -333,5 +333,24 @@ npm install
 
 You'll need Python 2.7 installed, and on Windows, you'll likely need to install [windows-build-tools](https://github.com/felixrieseberg/windows-build-tools) from an Administrator PowerShell Prompt via `npm install --global windows-build-tools`.
 
+### PR Message format:
+
+`<type>(<scope>): <subject>`
+
+Where `type` must be one of the following:
+
+* **feat**: A new feature
+* **fix**: A bug fix
+* **docs**: Documentation only changes
+* **style**: Changes that do not affect the meaning of the code (white-space, formatting, missing
+  semi-colons, etc)
+* **refactor**: A code change that neither fixes a bug nor adds a feature
+* **perf**: A code change that improves performance
+* **test**: Adding missing or correcting existing tests
+* **chore**: Changes to the build process or auxiliary tools and libraries such as documentation
+  generation
+
+see: https://github.com/angular/angular.js/blob/master/DEVELOPERS.md#-git-commit-guidelines
+
 # License
 [MIT](https://tldrlegal.com/license/mit-license)