nested locks are a bad thing

git-svn-id: https://svn.salilab.org/imp/trunk@16060 e91f8c7b-0e32-4433-a9ac-4502d39a4eab
log task starts and stops

git-svn-id: https://svn.salilab.org/imp/trunk@16061 e91f8c7b-0e32-4433-a9ac-4502d39a4eab
fix typo

git-svn-id: https://svn.salilab.org/imp/trunk@16062 e91f8c7b-0e32-4433-a9ac-4502d39a4eab
disable log contexts when in parallel blocks

git-svn-id: https://svn.salilab.org/imp/trunk@16063 e91f8c7b-0e32-4433-a9ac-4502d39a4eab
work around compiler bug

git-svn-id: https://svn.salilab.org/imp/trunk@16064 e91f8c7b-0e32-4433-a9ac-4502d39a4eab