Update gitignore with standard excludes.

Author: donnemartin

.gitignore

@@ -1 +1,42 @@
+*.py[co]
+*.DS_Store
+
+# Packages
+*.egg
+*.egg-info
+dist
+build
+eggs
+parts
+var
+sdist
+develop-eggs
+.installed.cfg
+
+# Installer logs
+pip-log.txt
+
+# Unit test / coverage reports
+.coverage
+.tox
+.cache
+
+#Translations
+*.mo
+
+#Mr Developer
+.mr.developer.cfg
+
+# Emacs backup files
+*~
+
+# Eclipse IDE
+/.project
+/.pydevproject
+
+# IDEA IDE
+.idea*
+src/
+
+# Completions Index
 completions.idx