update Gradle Wrapper to 1.12, update build version
bump plugin version up to a minimum of IDEA 135, new build set to version 2.0.0
add gradle-acumen, an embedded Gradle Tooling API plugin
overhaul how dependency information is pulled from the Gradle Tooling API, enable gradle-acumen for custom model probing, embed init-script for gradle-acumen to allow for on-the-fly injection, still need to bundle gradle-acumen plugin jar