Log the completion/failure of pipeline steps to make it easier to report/track the execution of pipelines

git-svn-id: https://svn.code.sf.net/p/varianttools/code/trunk@2469 bfd2a824-b778-4082-b236-bff916e0c2bb
Add a quick script to report progress of the execution of pipelines. Requires matplotlib and is not working properly now.

git-svn-id: https://svn.code.sf.net/p/varianttools/code/trunk@2470 bfd2a824-b778-4082-b236-bff916e0c2bb
Draw figures for each log file in multi-page pdf file

git-svn-id: https://svn.code.sf.net/p/varianttools/code/trunk@2471 bfd2a824-b778-4082-b236-bff916e0c2bb
Allow retriving logfiles from the cluster and plot locally. Public key authentication is needed.

git-svn-id: https://svn.code.sf.net/p/varianttools/code/trunk@2472 bfd2a824-b778-4082-b236-bff916e0c2bb
List pending or running jobs. Because we have no idea if the jobs are still running, the numbers might be wrong.

git-svn-id: https://svn.code.sf.net/p/varianttools/code/trunk@2473 bfd2a824-b778-4082-b236-bff916e0c2bb
Merge remote-tracking branch 'upstream'