[tools] misc changes to ./tools/launch.py
[tools] misc changes to ./tools/launch.py

8l/Graphite,mit-carbon/Graphite,8l/Graphite,fhijaz/Graphite,mit-carbon/Graphite,victorisildur/Graphite,mit-carbon/Graphite-Cycle-Level,fhijaz/Graphite,victorisildur/Graphite,8l/Graphite,fhijaz/Graphite,mit-carbon/Graphite,nkawahara/Graphite,mit-carbon/Graphite-Cycle-Level,mit-carbon/Graphite-Cycle-Level,victorisildur/Graphite,nkawahara/Graphite,8l/Graphite,nkawahara/Graphite,nkawahara/Graphite,mit-carbon/Graphite-Cycle-Level,mit-carbon/Graphite,victorisildur/Graphite,fhijaz/Graphite