Ignore files that end with tilde

Signed-off-by: Konrad Scherer <Konrad.Scherer@windriver.com>
Tweek autopair to make writing python triple quotes easier

Signed-off-by: Konrad Scherer <Konrad.Scherer@windriver.com>
Tweak flycheck to run pylint after flake8 runs clean

Signed-off-by: Konrad Scherer <Konrad.Scherer@windriver.com>