branch to clean up Dao H2 MySql dichotomy
persistent dao now specific to either H2 or MySql
persistent dao loaded is db specific (H2 or MySql depending on datasource)
Merge branch 'amber-sql' of github.com:nla/amberdb into amber-sql
Merge pull request #26 from nla/amber-sql

Amber sql
Update pom.xml

creating new snapshot
updated AmberSession to register H2 driver.
Merge pull request #27 from nla/incl-h2-driver

updated AmberSession to register H2 driver.
Update pom.xml

Don't have to restart Play when modifying code and using AmberDb
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
removed redundant code
relation order now uses the AmberEdge edge-order property so that elements will be returned in the correct order (edge-order is a special property that is used by AmberGraph to order returned results
Update README.md

Added latest snapshot version to doco so Banjo team can see what the latest version is easily
Update pom.xml

updated snapshot version
merged the latest change from the master branch.
Merge pull request #31 from nla/amber-sql

merged.