add a Travis-CI config
disable Travis on 5.0.x
don't attempt to build master on Travis
fix Travis oops?

hopefully
fix Travis oops?

hopefully

Conflicts:
	.travis.yml
relocate bin/profiles.scala here from models repo

since the classpath details vary from NetLogo branch to branch
get bin/profiles.scala working with current build
Merge remote-tracking branch 'origin/5.0.x'
Merge remote-tracking branch 'origin/master' into core