Fix findbug warnings and refactor the error message.
Merge branch 'master' into findbug
Merge pull request #50 from tonyhuang/findbug

Fix findbug warnings and refactor the error message.
Update README.md

Due to change in behavior and interface changes, Phoenix will not yet run on 0.94.4 or above. In the process of fixing this now.
Suppress findbugs warnings
Merge pull request #51 from tonyhuang/findbug

Suppress findbugs warnings