Merge pull request #15 from twitter/develop

Bump version 0.1.1
removed nop match
Merge pull request #22 from mosesn/simplify_folder

removed nop match
Add Count-Min Sketch monoid.
Fix typos.
Minor tweaks.
Rename destructiveAdd to +=
Minor variable and function renames.
Made everything immutable, other refactorings.
Merge pull request #24 from echen/count_min_sketch

Add Count-Min Sketch monoid for estimating frequencies.
Initial commit of SGDMonoid
Make AveragedValue a Group
Add Traversable monoidSum and ringProduct convenience methods
Merge pull request #27 from avibryant/develop

Add Traversable monoidSum and ringProduct convenience methods
Adds Monoid/Group/Ring for IndexedSeq
Fix a bug in IndexedSeqMonoid.isNonZero
Not intended to be merged but a quick mock up of how to turn the moments monoid into a group
Merge pull request #26 from johnynek/feature/average-group

Make AveragedValue a Group
Merge branch 'develop' into feature/vector

Conflicts:
	src/test/scala/com/twitter/algebird/BaseProperties.scala
Adds a comment to clarify usage of Monoid[IndexedSeq[T]]