Add SuccessFilter.
Add UriCreateUserFilter.
Add UriChangePasswordFilter.
Add two metrics to track newly registered users.
Add TopEntityMetric.
Add TopClientMetric.
Read multiple metrics.
Add more metrics to read.
Add query string to reading entity IDs.
Remove extra whitespace.
Upgrade AWS JDK minor version.
Refactor, change add() to put().
Refactor, change add() to put().
Merge pull request #18 from eric-wu/master

Add new metrics