Complete rewrite

Completely rewrote the plugin, in Kotlin and with Gradle 5 compatibility.

Prevent checkstyle Syntax Errors from Failing Build

This change prevents checkstyle errors from causing the entire build to fail.

Another Grading Configuration Fix

Avoid conflicts with Android Studio caused by over-eager configuration.

Another Fix to Ensure Correct Rebuilds

Fixes a bug with 0.13.2 that could produce inconsistent results.

Use New Registration Interface

Update to use new task registration interface to avoid unnecessary configuration. Also fixes problem with testing on Android Studio.

Use Task Registration Interface

Update to use new Gradle task registration interface to avoid interfering with other tasks. Fixes a testing problem on Android Studio.

Support for Task-Based Grading

This change adds support for task-based grading.

Fix for package builds

Small fix to enable builds with a package.

Fix Default Builds

Fix problems with default builds caused by plugin build reconfiguration, which is now moved to a task.

Fix Multi-File Builds

Fix a bug affecting multi-file builds.