Adding timer instrumentation for BatchSplitter and RollupTypeCacher
fixed review comments. style issues, single timer for rollup cacher
single timer for rollupcacher
Adding finer granularity of timers to track json processing, persistence and response sending times
adding ttl bins to configttlprovider and laying foundation for tests
fixing unit tests and adding new ones
Merge pull request #2 from tilogaat/add_ttl_bins

Add ttl bins
Making my own fork mergeable until the last reviewed change Revert "Merge pull request #2 from tilogaat/add_ttl_bins"

This reverts commit 122c3eff23c8c177ef622ca494ad4f3c9ee0c2cd, reversing
changes made to ab2f2a4ca7170cacecdece69bc31ea6ff798f5d7.
Merge pull request #346 from tilogaat/master

Adding timer instrumentation for BatchSplitter and RollupTypeCacher