Included a copy of the GPL in the distribution (fixes #147).
Limit player yaw to values in the [0,360). Fixes #173.
Added .gitattributes to enforce LF line endings.
Fixed skylight in empty ChunkSnapshot sections to be 15 instead of 0.

Also, fixed logic for isSectionEmpty.
Added missing Override annotations, fixed GlowWorld and GlowPlayer line endings.
Fixed loading of blocks with high IDs.
beginnings of a redstone framework
added torches
style; removed byte[] Maps; started *Power* API
fixed compile errors
can't believe this actually happened
RS arch overhaul, and torches + solids are implemented
further resolve conflict + fix setTypeIdAndData call
several RSManager fixes + features
* charge/power tracking moved to RSManager
* RSManager pulse() fixes
* s/Charge/Power/g
* RS dust can be lit
* RS dust can only be placed on solids now
* miraculously, blocks now update (fixed by a different commit?)
redstone dust impl - basic RS impl NOW READY
torch->southwire; torch->block charged; fix upwards flow
"injection" thing implemented
fix torch-down-direct goofup; glass+glow behaviours
fix NPE (untested)
resolve merge conflict
fix NPE; fix upwards/downwards(?) "injection" case