Adding plugins.sbt to the project

Adding cache directories to the travis

Adding hosts addon as a fix to openjdk build failure. Rec. from https://github.com/travis-ci/travis-ci/issues/5227

Not specifying the scala version in travis and let SBT do it's thing

Moving existing code to imgraph-old and creating imgraph-core modules

Removing the pom.xml from project

Converting to SBT project

Adding simple query mechanism on the loaded data

First cut of DataLoaderProgram

Adding imGraphConfig reference

moving things around

Fixing the failing test

EgoNetwork Loader implementation

now we can add edges and vertices

Adding link to QueryTest in README