Merge pull request #436 from stianst/master

Fix audit provider example
Improve PropertiesAuthenticationProvider to support retrieving user passwords from custom location and persisting password updates
Merge pull request #437 from mposolda/master

Improve PropertiesAuthenticationProvider to support retrieving user pass...
bump version
Merge pull request #438 from patriot1burke/master

bump version
Bump version to 1.0.beta2-SNAPSHOT