add nexus prep

donal

2018-04-11 daddda911c1dffc5072f3e7f50025cf8de75a8c3

add nexus prep

 nexus.json

New file
@@ -0,0 +1,5 @@
{
  "name": "zip",
  "type": "groovy",
  "content": "repository.createRawHosted('zip')"
}