Created test suite as specification for merge-ts function
Pulled in Dan's tweaks to date-time namespace for merging ts
WIP for timeseries merging
Final functions for merging timeseries
Fleshed out tests and docs for timeseries merge functions
Added precondition in conversion from ts map to vec - must be consecutive
Changed merge-ts and overlap? to support any # of maps
Simplified merging time series, cleaned up related namespaces
Trying to avoid circular dependencies by moving around a few functions
Added support for pedigree (i.e. creation date for DataChunks); all tests pass
Bump Cascalog to get newer Kryo dep w/o heap space error
Ensure there are no duplicate records in CDM output
Roll back duplicate records change - updated docs to include info about existing deduplication
Added queries to support country counts for spark graphs on GFW site
Fixed gadm-src fields
Fixed field names
Added precondition and relevant docs/tests checking for invalid double matrices
Mention 50% issue in docs
Merge pull request #353 from reddmetrics/feature/nil-dbl-mat

Precondition checks for invalid beta and feature row matrices made w/nils
Changed dummy data to get more significant digits in forma-estimate test