Backport 1.7.9 support to WE 5.x
[maven-release-plugin] prepare release 5.6.2
[maven-release-plugin] prepare for next development iteration
Fixed listing schematics with directories in the folder.
Fixed activated hoppers rotating incorrectly.

Fixes WORLDEDIT-3138.
Updated .gitignore with new Forge build-related entries.
Rectified that hopper fix being very incomplete (and unit test breaking!).
Add support for CraftBukkit 1.7.10.
Update changelog for 5.6.2 and 5.6.3.
[maven-release-plugin] prepare release 5.6.3
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