fix getting incident vertex from an edge bug
Revert "fix getting incident vertex from an edge bug"

This reverts commit ba87602a1472d52abb0421a6a7a19de84576920b.
fixed bug in finding an incident vertex of an edge
Merge pull request #30 from nla/amber-sql

Amber sql
Update pom.xml

bumping snapshot version for deploy to repo
Merge remote-tracking branch 'origin/master' into data-test
fix and expanding on unit tests.