Read through store - do not query backing store when no cache miss
Merge pull request #246 from rubanm/readthrough_keysfix

Read through store - do not query backing store when no cache miss
bump finagle and util to 6.22.0
Minified kill 2.9.3
Merge pull request #249 from twitter/removeScala2.9.3-2

Minified kill 2.9.3
Merge branch 'sh_develop' into bump_finagle_save_txns
Merge pull request #247 from dschobel/bump_finagle_6_22_0

bump finagle and util to 6.22.0
Merge pull request #20 from twitter/develop

Merge from twitter/storehaus