WIP: Parse simulation logs using parallel stream

[luvarqpp]

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[CLAassistant]

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[luvarqpp]

Sample difference for small simulation can be seen only in order of logs. Note that other two pull request made by me was included in this build.

➜  wrk java -jar gatling-report-4.1-SNAPSHOT-capsule-fat.jar -f results/complexscenario-20200618125705159/simulation.log results/complexscenario-20200618163115911/simulation.log -o comparison/jedenVersusDvajaSync
WARNING: An illegal reflective access operation has occurred
WARNING: Illegal reflective access by Capsule (file:gatling-report-4.1-SNAPSHOT-capsule-fat.jar) to field com.sun.jmx.mbeanserver.JmxMBeanServer.mbsInterceptor
WARNING: Please consider reporting this to the maintainers of Capsule
WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations
WARNING: All illegal access operations will be denied in a future release
22:29:37,326 INFO  [App] Parsing /someDir/results/complexscenario-20200618125705159/simulation.log
22:29:37,326 INFO  [App] Parsing /someDir/results/complexscenario-20200618163115911/simulation.log
22:29:37,974 INFO  [App] Parsing finished in 641 ms. File /someDir/results/complexscenario-20200618163115911/simulation.log
22:29:38,012 INFO  [App] Parsing finished in 682 ms. File /someDir/results/complexscenario-20200618125705159/simulation.log
22:29:38,026 WARN  [App] Overriding existing report directorycomparison/jedenVersusDvajaSync
22:29:38,426 INFO  [App] Report generated: /someDir/comparison/jedenVersusDvajaSync/index.html


➜  wrk java -jar gatling-report-4.1-SNAPSHOT-capsule-fat.jar -f results/complexscenario-20200618125705159/simulation.log results/complexscenario-20200618163115911/simulation.log -o comparison/jedenVersusDvajaSync
WARNING: An illegal reflective access operation has occurred
WARNING: Illegal reflective access by Capsule (file:gatling-report-4.1-SNAPSHOT-capsule-fat.jar) to field com.sun.jmx.mbeanserver.JmxMBeanServer.mbsInterceptor
WARNING: Please consider reporting this to the maintainers of Capsule
WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations
WARNING: All illegal access operations will be denied in a future release
22:30:03,014 INFO  [App] Parsing /someDir/results/complexscenario-20200618125705159/simulation.log
22:30:03,563 INFO  [App] Parsing finished in 546 ms. File /someDir/results/complexscenario-20200618125705159/simulation.log
22:30:03,563 INFO  [App] Parsing /someDir/results/complexscenario-20200618163115911/simulation.log
22:30:03,869 INFO  [App] Parsing finished in 304 ms. File /someDir/results/complexscenario-20200618163115911/simulation.log
22:30:03,869 WARN  [App] Overriding existing report directorycomparison/jedenVersusDvajaSync
22:30:04,158 INFO  [App] Report generated: /someDir/comparison/jedenVersusDvajaSync/index.html

[luvarqpp]

DO NOT MERGE yet. There is bug in current PR. Parsed data from options.simulations is being saved during processing into App.stats in order as they are parsed and not in order as they appear on commandline. I will fix this problem in near time.