Improved tree support and fixed lack of tree generation (fixes #101).
Fixed outer skin layers not appearing (fixes #162).
Fixed swords stopping digging in Survival mode (fixes #349).
Consider world created before WorldLoadEvent is called.
Added Eclipse project name override to build script.

Intended to fix weirdness with importing the files generated by the
Eclipse gradle plugin.
Added snow block placement handling.
Added note about Trello to CONTRIBUTING.md.
Refactored out use of JSONObject in the protocol in favor of TextMessage.
Minor cleanup.
Implemented ability to show particle effects.
Paramaterized constants and ItemTable tests.
Switched to Lombok for message classes.

Lombok automatically generates constructors, getters, hashCode, equals,
and toString methods on the annotated classes at compile time. These can
be overridden where necessary. This should reduce maintenance load on the
message classes.
Added networking unit tests.

Signed-off-by: William Lebel <lebelwilliam@gmail.com>
Protocol test functionality and style fixes.
Start on scoreboard stuff
More scoreboard fiddling
Minor updates for 1.7.9 Bukkit scoreboard changes
Some more score tracking stuff.
Tracking for teams.
Scoreboard protocol stuff.