This will ensure that karma-webpack
can run as expected within a live
karma server.

Fixes #460

this will be run against pull requests on next
and master.

this also updates karma to v6 and utilizes the new
public api so we no longer have to fork a child
process to avoid karma < 6's behavior of calling
process.exit(#)

this also increases the default timeout of the
integration tests as 5 seconds was just too short
for the CI to be able to properly complete.

Fixes N/A

This narrows down to a single eslint
configuration and fixes existing
linter issues. This also updates
to the latest webpack-contrib eslint
recommendations.

Fixes N/A

Some systems require the CHROME_BIN env
variable to be set for karma to hook
into the chrome binary for testing.
I noticed this while setting up
karma-webpack on my linux desktop.

Fixes N/A

This adds a random number to the end of the
default karma_webpack directory. This will
prevent projects running multiple instances
of karma webpack in parallel from stepping
on one another.

Fixes #465

moved the hashing util out of the business
logic and added test coverage.

Fixes N/A

this is an issue that comes up often. As this is
something that karma-webpack needs to function,
we will automatically fix the configuration on
the fly and emit a warning that the change was
made.

Fixes N/A

also prune yarn.lock and add to
.gitignore

Fixes N/A