I chose to skip the x-common test case "both bases are negative" since
the xjava implementation of this exercise forces the first base to be
validated before a second base can be supplied. This test would
therefore be redundant since we already have tests that validate the
first base.

Removing final from starter classes

Add policy for 'final' classes

run-length-encoding: estimate difficulty 5

Clean up root build script

Update Gradle wrapper to 4.0

kindergarten-garden: estimate difficulty 4

hello-world: explain @Ignore annotations

scrabble-score: update to v1.0.0 of tests

Add cross-referencing comments r.e. stripping ignores

Rename sut variable [Fix #621 #622 #623 #624]

journey test: pull in improvements from xkotlin

https://stackoverflow.com/questions/21612980/why-is-usr-bin-env-bash-superior-to-bin-bash

https://stackoverflow.com/questions/21612980/why-is-usr-bin-env-bash-superior-to-bin-bash

This makes it easier to compare the xjava and xkotlin Travis
configuration files.

Reference: https://stackoverflow.com/a/11651184/2911458

Parallelize unit tests

Delete ignored key from config.json