Initial setup
First working version with minimal Graph API and ImplicitGraph as test class.
Added travis support
Merge branch 'master' of https://github.com/monora/jgraph
Merge branch 'master' of https://github.com/monora/jgraph
Removed retrolambda support

This caused this error:

[ERROR] src/java/jgraph/src/test/java/org/jgraph/ImplicitGraphTest.java:[17,17] cannot access org.jgraph.Graph
  bad class file: /src/java/jgraph/target/classes/org/jgraph/Graph.class
    default method found in version 51.0 classfile
    Please remove or make sure it appears in the correct subdirectory of the classpath.
[INFO] 1 error
Summary: We rely on java 8 (no retrolambda)
Added travis icon
Fixed typo
Fixed second typo
Created multi module project

- Renamed to jgraphl to avoid clash with www.jgraph.com
- jgraphl-core now contains only code which is needed by API clients
- Moved unit tests to own module jgraphl-core
added mini doc
Added tests for undirected graph
Fixed equality of UndirectedEdge
Introduced interfaces for Un/DirectedEdge.
Renamed isUnDirected to isUndirected
Added AdjacencyGraph
Added Mutablegraph and AdjacencyGraphs
Fixed typo
Added partite example and some more tests for AdjacencyGraphs