pulled BlobStore creation/connection out of AmberSession into AmberDb. added close method to AmberDb that closes the BlobStore
changed visibility of openBlobStore so it isn't seen as part of the AmberDb API
version bump
Merge pull request #104 from nla/doss-changes

BlobStore creation moved to AmberDb from AmberSession
Merge branch 'master' of github.com:nla/amberdb into commit-info
version bump to try and fix mvn artifact issues