Added mention of my tutorial for Dropbox to readme
Bumping version to 0.9 for release
Bumping to version 0.10-SNAPSHOT
Demoted 'empty key' messages from WARN to INFO.  Added a WARN if there are zero providers, and an INFO for a positive number of providers
Reads properties first from SystemProperties, favoring them over the Lift properties.
Bump version to 0.10 for release
Bumped version in README
Merge pull request #35 from barnesjd/master

Release 0.9 and proposed changes for 0.10