Update .gitignore

Update the .gitignore to be more comprehensive and that it is more
inline with airship-deckhand's .gitignore.

Change-Id: I0f2860034d060461a441be65feea274ef1fef30a
Signed-off-by: Tin Lam <tin@irrational.io>

.gitignore

@@ -1,11 +1,116 @@
-__pycache__
+# Byte-compiled / optimized / DLL files
-.tox
+__pycache__/
-.eggs
+*.py[cod]
-pegleg.egg-info
+*$py.class
-/ChangeLog
+
-/AUTHORS
+# C extensions
-*.swp
+*.so
-build
+
-dist
+# Distribution / packaging
+.Python
+env/
+build/
+develop-eggs/
+dist/
+downloads/
+eggs/
+.eggs/
+lib/
+lib64/
+parts/
+sdist/
+var/
+wheels/
+*.egg-info/
+.installed.cfg
+*.egg
+*.tgz
+
+# PyInstaller
+#  Usually these files are written by a python script from a template
+#  before PyInstaller builds the exe, so as to inject date/other infos into it.
+*.manifest
+*.spec
+
+# Installer logs
+pip-log.txt
+pip-delete-this-directory.txt
+
+# Unit test / coverage reports
+htmlcov/
+.tox/
+.coverage
+.coverage.*
 .cache
-*.pyc
+nosetests.xml
+coverage.xml
+*.cover
+.hypothesis/
+.testrepository/*
+cover/*
+results/*
+.stestr/
+
+# Translations
+*.mo
+*.pot
+
+# Django stuff:
+*.log
+local_settings.py
+
+# Flask stuff:
+instance/
+.webassets-cache
+
+# Scrapy stuff:
+.scrapy
+
+# PyBuilder
+target/
+
+# Jupyter Notebook
+.ipynb_checkpoints
+
+# pyenv
+.python-version
+
+# celery beat schedule file
+celerybeat-schedule
+
+# SageMath parsed files
+*.sage.py
+
+# dotenv
+.env
+
+# virtualenv
+.venv
+venv/
+ENV/
+
+# Spyder project settings
+.spyderproject
+.spyproject
+
+# Rope project settings
+.ropeproject
+
+# mkdocs documentation
+/site
+
+# mypy
+.mypy_cache/
+
+# pycharm-ide
+.idea/
+
+# osx
+.DS_Store
+
+# git
+Changelog
+AUTHORS
+
+# Ansible
+*.retry