Update node-minecraft-protocol - remove native code dependency (ursa)

deathcap/node-minecraft-protocol@3c8ad5a0883dfb5126523ee9c4f79c3c020b1c5c Change main to browser.js for now, remove ursa/gyp native code dependency
deathcap/node-minecraft-protocol@82013056682c858c82e10b905751a2e96901266c Merge branch 'feature-packetnames'
deathcap/node-minecraft-protocol@1fef4629338f8c08c1e53b981252d42abba534b2 Merge branch 'upstream'

Commit message generated by https://github.com/deathcap/lmno-cl