Make some tweaks to the pylintrc

No one reads the pylint reports, we just want the messages.
setUp and tearDown don't need docstrings.
More ways to mark arguments as unused.

More tweaks

pylintrc

@@ -39,7 +39,8 @@ disable=
 # C0301: Line too long
 # W0141: Used builtin function 'map'
 # W0142: Used * or ** magic
-    I0011,C0301,W0141,W0142,
+# R0922: Abstract class is only referenced 1 times
+    I0011,C0301,W0141,W0142,R0922,
 
 # Django makes classes that trigger these
 # W0232: Class has no __init__ method
@@ -74,7 +75,7 @@ include-ids=yes
 files-output=no
 
 # Tells whether to display a full report or only the messages
-reports=yes
+reports=no
 
 # Python expression which should return a note less than 10 (10 is the highest
 # note). You have access to the variables errors warning, statement which
@@ -117,7 +118,7 @@ generated-members=
     size,
     content,
     status_code,
-# For factory_body factories
+# For factory_boy factories
     create
 
 
@@ -165,7 +166,7 @@ bad-names=foo,bar,baz,toto,tutu,tata
 
 # Regular expression which should only match functions or classes name which do
 # not require a docstring
-no-docstring-rgx=(__.*__|test_.*)
+no-docstring-rgx=__.*__|test_.*|setUp|tearDown
 
 
 [MISCELLANEOUS]
@@ -206,7 +207,7 @@ init-import=no
 
 # A regular expression matching the beginning of the name of dummy variables
 # (i.e. not used).
-dummy-variables-rgx=_|dummy
+dummy-variables-rgx=_|dummy|unused|.*_unused
 
 # List of additional names supposed to be defined in builtins. Remember that
 # you should avoid to define new builtins when possible.