Update recommended versions of flake8 and friends

buildout.cfg

@@ -43,19 +43,20 @@ eggs = ${instance:eggs}
 [versions]
 # use latest version of coverage
 coverage =
-flake8 = 2.5.0
-flake8-blind-except = 0.1.0
-flake8-coding = 1.1.1
+flake8 = 3.3.0
+flake8-blind-except = 0.1.1
+flake8-coding = 1.3.0
 flake8-debugger = 1.4.0
-flake8-deprecated = 1.0
-flake8-isort = 0.2
-flake8-pep3101 = 0.3
-flake8-plone-api = 1.0
-flake8-plone-hasattr = 0.1
+flake8-deprecated = 1.2
+flake8-isort = 2.2.1
+flake8-pep3101 = 1.1
+flake8-plone-api = 1.4
+flake8-plone-hasattr = 0.2.post0
+flake8-polyfill = 1.0.1
 flake8-print = 2.0.2
-flake8-quotes = 0.1.1
-flake8-string-format = 0.2.1
-flake8-todo = 0.4
+flake8-quotes = 0.11.0
+flake8-string-format = 0.2.3
+flake8-todo = 0.7
 
 [zopepy]
 recipe = zc.recipe.egg