KTOR-574 Add support for different application profiles

[Moluram]

trafficstars

Subsystem Server-Host-Common

Motivation It is useful to have the ability to change profiles via env parameters.

Solves #KTOR-574

Solution Added additional "-profile" env parameter which if present adds a postfix to the "application.conf" file.

[mfarkan]

Is there any update for this feature ?

[rsinukov]

Closing this PR because the original ticket was declined. Please see this comment for details