Initial features (#1)

* Add bumpversion config
* Add CircleCI config
* Add linting configs (`.flake8`, `.pylintrc`, `.yamllint`, `pylama.ini`)
* Update TravisCI config
* Add a `Dockerfile` and the `dev.sh` script for spinning up a test environment
* Fix the LICENSE
* Add Pipenv support
* Updated the README
* Reorganized all the code and created the following classes under `cert_manager`:
 * Certificates
 * Endpoint
 * Client
 * Organization
 * Person
 * SMIME
 * SSL
* Added a `_helpers.py` file with several helper functions and exceptions
* Updated `setup.py` and added a `setup.cfg` for packaging
* Add unit tests for most of the code

Author: coreone

.bumpversion.cfg

@@ -0,0 +1,6 @@
+[bumpversion]
+commit = True
+current_version = 0.1.0
+files = cert_manager/__init__.py
+tag = True
+tag_name = {new_version}

.circleci/config.yml

@@ -0,0 +1,69 @@
+---
+version: 2
+workflows:
+  version: 2
+  preflight:
+    jobs:
+      - preflight-3.6
+  test:
+    jobs:
+      - test-3.6
+      - test-3.5
+      - test-3.4
+      - test-2.7
+jobs:
+  preflight-3.6:
+    docker:
+      - image: circleci/python:3.6-stretch
+    working_directory: ~/repo
+    environment:
+      PIPENV_COLORBLIND: 1
+      PIPENV_HIDE_EMOJIS: 1
+      PIPENV_NOSPIN: 1
+    steps:
+      - checkout
+      - run:
+          name: Install dependencies
+          command: |
+            pip install pipenv
+            rm -f Pipfile.lock
+            pipenv lock
+            pipenv sync --dev
+      - run:
+          name: Run linting
+          command: |
+            pipenv run yamllint . -s
+            pipenv run pylama -v --skip '.venv/*'
+  test-3.6: &test-template
+    docker:
+      - image: circleci/python:3.6-stretch
+    working_directory: ~/repo
+    environment:
+      PIPENV_COLORBLIND: 1
+      PIPENV_HIDE_EMOJIS: 1
+      PIPENV_NOSPIN: 1
+    steps:
+      - checkout
+      - run:
+          name: Install dependencies
+          command: |
+            pip install pipenv
+            rm -f Pipfile.lock
+            pipenv lock
+            pipenv sync --dev
+      - run:
+          name: Run tests
+          command: |
+            pipenv run green -r -vvv
+  test-3.4:
+    <<: *test-template
+    docker:
+      - image: circleci/python:3.4-stretch
+  test-3.5:
+    <<: *test-template
+    docker:
+      - image: circleci/python:3.5-stretch
+  test-2.7:
+    <<: *test-template
+    docker:
+      - image: circleci/python:2.7-stretch

.flake8

@@ -0,0 +1,4 @@
+[flake8]
+max-line-length = 120
+exclude = tests/*
+max-complexity = 18

.gitignore

@@ -4,6 +4,12 @@
 # Temporary Python files
 *.pyc
 __pycache__/
+.coverage
+/tmp/
 
 # Generated project
+/build/*
+/dist
+/.eggs/
+/*.egg-info
 /TemplateDemo/

.green

@@ -0,0 +1,2 @@
+verbose = 3
+run-coverage = True

.pre-commit-config.yaml

@@ -0,0 +1,34 @@
+---
+repos:
+  - repo: https://github.com/pre-commit/pre-commit-hooks
+    rev: v2.1.0
+    hooks:
+      - id: trailing-whitespace
+      - id: check-ast
+      - id: check-case-conflict
+      - id: check-docstring-first
+      - id: check-executables-have-shebangs
+      - id: check-json
+      - id: check-merge-conflict
+      - id: debug-statements
+      - id: detect-aws-credentials
+        args:
+          - --allow-missing-credentials
+      - id: detect-private-key
+      - id: end-of-file-fixer
+      - id: mixed-line-ending
+      # - id: no-commit-to-branch
+      #   args:
+      #     - -b master
+      #     - -b prod
+      - id: trailing-whitespace
+  - repo: https://github.com/broadinstitute/mirrors-pylama.git
+    rev: v1.0.1
+    hooks:
+      - id: pylama
+  - repo: https://github.com/adrienverge/yamllint.git
+    rev: v1.15.0
+    hooks:
+      - id: yamllint
+        args:
+          - -s