Due to odd rounding and math issues, using //center on a region with an edge of even
length in quadrants with negative coordinates would only fill one of the two center blocks.
Thanks to Griffrez and up201406036 for the original PR.
Fixes WORDLEDIT-2986.
Java 8's Kernel statically loads the AWT library, which
can apparently cause some issues on some systems, for some reason.
Either way, there is no need to load AWT if it's not needed (Java pls).
This converts the project into a multi-module Gradle build.
By default, Git does not show history past a rename, so use git log
--follow to see further history.
