Update .gitignore

Source
https://raw.githubusercontent.com/github/gitignore/master/Python.gitignore

with some modifications.

Change-Id: I9eb17bba855381d475a104d222d1c8a803671fb5

.gitignore

@@ -1,5 +1,63 @@
+# Byte-compiled / optimized / DLL files
+__pycache__/
+*.py[cod]
+*$py.class
+
+# C extensions
+*.so
+
+# Distribution / packaging
+.Python
+env/
+build/
+develop-eggs/
+dist/
+downloads/
+eggs/
+.eggs/
+lib/
+lib64/
+parts/
+sdist/
+var/
+*.egg-info/
+.installed.cfg
+*.egg
+
+# 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/
-.testrepository/
-ekko.egg-info/
-*.pyc
-*.swp
+.coverage
+.coverage.*
+.cache
+nosetests.xml
+coverage.xml
+*,cover
+.hypothesis/
+.testrepository
+
+# Translations
+*.mo
+*.pot
+
+# Django stuff:
+*.log
+
+# Sphinx documentation
+doc/build/
+
+# PyBuilder
+target/
+
+#Ipython Notebook
+.ipynb_checkpoints