Merge branch 'release/0.1.8' into develop
Merge branch 'master' into develop
0.1.9-snapshot
Adds SummingIterator
Merge branch 'develop' into feature/cachekey-sum
move files to fit the new project structure
fix documentation typo
Merge pull request #111 from mikegagnon/fix_documention_typo

fix documentation typo
Adds cache-based StatefulSummer and SummingIterator
make a constructor param private on summingcache
Cleans up SummingIterator
Addresses Sam's comments
Merge pull request #112 from twitter/feature/cachekey-sum

Caching paritial sums
fix typo
Merge pull request #114 from twitter/fix_type

fix typo in Build
Move the sorted*Monoids into their own files
Remove SortedListMonoid from Monoid
add cross build support
changes file
Merge pull request #115 from twitter/feature/cross_build

Add Scala 2.10 build support.