update SCM section of maven's pom.xml to reflect github infrastructure
Merge pull request #25 from typekpb/master

update SCM section of maven's pom.xml to reflect github infrastructure
Merge pull request #24 from alexeykudinkin/master

Prim's algorithm for finding MST added
Credits for Prim MST
Add test for ListenableDirectedWeightedGraph.
Make DirectedMultigraph forbid loops.
Fix test.

Remove the loop from v1 to v1 and add an edge from v2 to v1.
Fix test:Use assertEquals(expected, actual, delta)

To compare floating-point numbers, we need to provide a delta. This
fixes a failing build using Java 7.
Add DirectedWeightedPseudograph.
Update copyright year.
Merge pull request #31 from agouge/feature/directed-weighted-pseudograph

Add DirectedWeightedPseudograph
Merge pull request #30 from agouge/fix/java-7-build

Quick Fix (one line)
Merge pull request #29 from agouge/fix/directed-multigraph

Fix DirectedMultigraph
Credits for last merge.
KSP fixes.
Add file missing from last commit.
One followup for last KSP fix.