Fix references to run_tests, run_dev_servers, vulcanize_trace_viewer in travis.yml
Fix references to run_tests, run_dev_servers, vulcanize_trace_viewer in travis.yml

R=nduca@chromium.org, dsinclair@chromium.org

Review URL: https://codereview.appspot.com/254750043.

catapult-project/catapult-csm,benschmaus/catapult,modulexcite/catapult,0x90sled/catapult,catapult-project/catapult,catapult-project/catapult-csm,catapult-project/catapult-csm,danbeam/catapult,sahiljain/catapult,catapult-project/catapult-csm,dstockwell/catapult,SummerLW/Perf-Insight-Report,SummerLW/Perf-Insight-Report,catapult-project/catapult,benschmaus/catapult,catapult-project/catapult,zeptonaut/catapult,dstockwell/catapult,sahiljain/catapult,sahiljain/catapult,danbeam/catapult,SummerLW/Perf-Insight-Report,sahiljain/catapult,benschmaus/catapult,dstockwell/catapult,0x90sled/catapult,catapult-project/catapult,SummerLW/Perf-Insight-Report,scottmcmaster/catapult,catapult-project/catapult,modulexcite/catapult,catapult-project/catapult,benschmaus/catapult,SummerLW/Perf-Insight-Report,sahiljain/catapult,sahiljain/catapult,danbeam/catapult,catapult-project/catapult,benschmaus/catapult,catapult-project/catapult-csm,benschmaus/catapult,SummerLW/Perf-Insight-Report,catapult-project/catapult-csm,scottmcmaster/catapult,catapult-project/catapult-csm,zeptonaut/catapult,dstockwell/catapult,benschmaus/catapult,zeptonaut/catapult,0x90sled/catapult,scottmcmaster/catapult,modulexcite/catapult,danbeam/catapult