[CHG] Update gitignore according with https://github.com/OCA/maintainer-tools/blob/master/.gitignore

.gitignore

@@ -1,3 +1,6 @@
+# Project specific
+oca.cfg
+
 # Byte-compiled / optimized / DLL files
 __pycache__/
 *.py[cod]
@@ -8,10 +11,10 @@ __pycache__/
 # Distribution / packaging
 .Python
 env/
+bin/
 build/
 develop-eggs/
 dist/
-downloads/
 eggs/
 lib/
 lib64/
@@ -21,12 +24,7 @@ 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
+*.eggs
 
 # Installer logs
 pip-log.txt
@@ -42,12 +40,25 @@ coverage.xml
 
 # Translations
 *.mo
+*.pot
+
+# Pycharm
+.idea
 
 # Django stuff:
 *.log
 
+# Mr Developer
+.mr.developer.cfg
+.project
+.pydevproject
+
+# Rope
+.ropeproject
+
 # Sphinx documentation
 docs/_build/
 
-# PyBuilder
-target/
+# Backup files
+*~
+*.swp