pass environment variables and command line arguments to runner

[sriv]

When launching Gauge, if user sets environment variables via command line or command line arguments, Gauge should pass it all to the language runners.

I.e. any command line argument that gauge does not understand should be passed on to the runner.

[haroon-sheikh]

@sriv @mahendrakariya Can we please prioritise this ASAP? I've come across another scenario where this would really useful.

For example, the reports directory... when running on CI, I need to be able to dynamically set the reports directory depending on what's being run.

[mahendrakariya]

@haroon-sheikh Can you please install yesterday's Gauge nightly build and try out your use case?

Usage:

gauge_reports_dir=newReportsDir mvn gauge:execute

[kaustavdm]

Tested. This works for me.

[mahendrakariya]

For more details, please refer the Precedence of Environments section in the environment documentation.