Renamed rolling -> roll, rollingPrime -> roll'. Some doc cleanup.
roll: "rotation window" -> "word size" [ci skip]
We moved Data.Analytics
Redundant superclass is redundant
square <-> sqrt
Bug fixing Moments:

* stddev is sqrt of variance, not the square. ;)
* unskewed skewness
Merge branch 'master' of github.com:analytics/analytics
Added HasVars Heart
formatting and deadcode cleanup
Added the Tropical semiring
lens HEAD re-exports Gettable. Using it
Merged Variances and Moments into one uber statistical moments monoid.
Num and Fractional Query
ifndef HLINT
-1/0 not -0/1
Updated Dynamic example to show where the EDSL is going, rather than where it has been.
Updated Dynamic example to reflect the syntax from last night's discussion with Alec.
min, not (+)
Added more references
stable model semantics