implemented DateTimeStrategy to cater for precisions
changed Farsi date tests to use Verify
fixed some of the tests
Precision-based algorithm from a previous (dead) branch.
Fixed failing unit tests in DateTimeHumanizePrecisionStrategyTests
fixed the romainian tests
Renaming date time humanizer strategy files/folders
Added precision based datetime humanize to release notes
updating approved api
Merge branch 'waheed-date-precision'