Fix #138 and #116.
Fix #138 and #116. Change the property key in ConfigurationBasedDeploymentContext to be the same as key name in DeploymentContext.
Fix #138 and #116. Simplify some synchronization logic. Fix junit.
Fix #138  and ensure backward compatibility of "archaius.*" deployment context related property
Merge pull request #139 from allenxwang/master

Fix #138 and #116.