Creaper 1.0.0 "The Ez|Ra Edition"

Changes:

#6 remove deprecated elements
#20 client libraries are <scope>provided</scope>
#60 remove the uberjar
#78 some other changes besides those described above, most importantly upgrade Groovy to 2.4.6

Migration from 0.x: follow the recommended procedure

Code name: see https://en.wikipedia.org/wiki/Embassytown