Mineflayer

* update minecraft-protocol to 0.14.0 : several fixes (error are now catchable, packets are in-order, packets fixes, etc.)
* add ContainerWindow to support non-Vanilla plugins and add /invsee example (thanks Pietro210)
* add a callback to bot.look and bot.lookAt
* when receiving a remove effect packet : if the corresponding effect doesn't exist yet, emit an event with just the id of the effect (thanks Pietro210)
* swing arm immediately when digging (thanks gipsy-king)
* now updates bot.entity.heldItem when bot.heldItem is updated
* fix cli args in examples
* add forcedMove event
* fix equipment api
* new minecraft data version : better metadata handling

* a small fix in chat.js
* add a licence file

* bot.transfer is faster
* fix arm_animation
* using mojangson parser for chat hoverevent
* add chat patterns for unidentified chat messages
* fix player leaving

Lot of fixes and improvements in this version in order to support mineflayer 1.8.3, including :

* minecraft 1.8.3 support
* update minecraft protocol to 0.13.4
* move enums data to minecraft-data
* add automatic testing with a vanilla minecraft server on circle ci
* add argv arguments to examples
* refactor inventory.js
* use new recipe format handling metadata better
* fix lot of things to support 1.8.3 including :
* block format change
* position change : y is now always at the feet of the bot

* updated minecraft protocol to 0.11 (Minecraft 1.6.2 support).
* small changes in the arguments of some events: `chat`, `whisper` and `message`. See [doc/api.md](https://github.com/andrewrk/mineflayer/blob/master/doc/api.md).

* updated minecraft protocol to 0.10 (Minecraft 1.5.2 support).