fixed graph passing to mappers via static variable smell/bug
removed mapper annotations for mappers created by amberdb mapper factories
Merge remote-tracking branch 'origin/master' into amber-sql
added Float as a supported property type and implemented the default graph query
always create a persistent db - even if just in memory, and assign all identifiers from here. Simplifies commits
always create a persistent db - even if just in memory, and assign all identifiers from here. Simplifies commits and multiuser sessions
Merge pull request #21 from nla/amber-sql

Amber sql