increase timeout on em test

git-svn-id: https://svn.salilab.org/imp/trunk@17407 e91f8c7b-0e32-4433-a9ac-4502d39a4eab
minor changes to git scripts

git-svn-id: https://svn.salilab.org/imp/trunk@17408 e91f8c7b-0e32-4433-a9ac-4502d39a4eab