project fails to compile #1

I forked this repo and while trying to build the example project, mvn package command failed. It seems like the maven repository for GraphPipe doesn't exist.

Let me know if you need help with this.

Log Output:

[INFO] ------------------------------------------------------------------------
[INFO] BUILD FAILURE
[INFO] ------------------------------------------------------------------------
[INFO] Total time: 01:44 min
[INFO] Finished at: 2019-07-30T18:21:48-07:00
[INFO] ------------------------------------------------------------------------
[ERROR] Failed to execute goal on project foo: Could not resolve dependencies for project com.oracle.foo:foo:jar:1.0-SNAPSHOT: Failed to collect dependencies at com.oracle.graphpipe:graphpipe:jar:LATEST: Failed to read artifact descriptor for com.oracle.graphpipe:graphpipe:jar:LATEST: Failed to resolve version for com.oracle.graphpipe:graphpipe:jar:LATEST: Could not find metadata com.oracle.graphpipe:graphpipe/maven-metadata.xml in local (/Users/sj/.m2/repository) -> [Help 1]