Adding .gitignore file

.gitignore

@@ -0,0 +1,42 @@
+*.py[cod]
+*.sqlite
+
+# C extensions
+*.so
+
+# Packages
+*.egg
+*.egg-info
+dist
+build
+.venv
+eggs
+parts
+bin
+var
+sdist
+develop-eggs
+.installed.cfg
+lib
+lib64
+
+# Installer logs
+pip-log.txt
+
+# Unit test / coverage reports
+.coverage
+.tox
+nosetests.xml
+
+# Translations
+*.mo
+
+# Mr Developer
+.mr.developer.cfg
+.project
+.pydevproject
+.idea
+.DS_Store
+etc/mistral.conf
+tools/lintstack.head.py
+tools/pylint_exceptions