Noissue - Added flake8 extension accounting for our coding style and some other stuff

flake8-abp/tests/A103.py

+def compare_int_like_yoda(x):
+    #      * A103
+    return 1 == x
+
+
+def compare_string_like_yoda(x):
+    #      * A103
+    return 'foo' == x
+
+
+def compare_none_like_yoda(x):
+    #      * A103
+    return None is x
+
+
+def compare_tuple_like_yoda(x):
+    #       * A103
+    return (1, 'foo') == x
+
+
+def compare_literals():
+    return (1, 'foo') == (2, 'bar')
+
+
+def compare_variables(a, b, c, d):
+    return (a, b) == (c, d) or a == b