Update Spigot to version 1.5. By using this build you agree to the following terms: (read next line)
1) You will not hold SpigotMC responsible for any losses or damages incurred to you by using this build
2) You will report ALL bugs to SpigotMC and not other parties

Thanks for all the support and all parties who made this update possible; especially the awesome Spigot community. Sorry for the delay, but we had to fix some crucial bugs.

Regressions in this commit:
@mikeprimm's smarter chunk ticking patch has been removed as it prevents proper redstone and other block ticking logic.