Revert "Update test for coverage and accuracy."

This reverts commit 02edfa676095eb9c78516eb24ac90d8f5ec7a3cb.
Revert "Update History."

This reverts commit 0dff07d29e478901b873a6654515a12cd6746fdd.
Revert "Merge branch 'dateparser'..."

From https://github.com/Satyam/yui3-1 into dateparser.

These reversions were made while the discussion in GH #1353 continues.

This reverts commit cf663b78e79444abfb8605d786c57f0f2bbdb521, reversing
changes made to dbd93b5bf3432c3155da5bd400adf15a1fc1d685.
Change path of yui seed file for datatable-keynav unit test.
Merge branch 'date-parser-revert' into release-3.14.0
Merge remote-tracking branch 'upstream/release-3.14.0' into release-3.14.0
Adding updated datatype-date- build files.
Bump release version to `rc-1`
Bump release version to 3.14.0-rc-1
Bump HISTORY version to 3.14.0
[datatype-number] Fix regression in number parsing

A change introduced the use of `parseFloat` which returns numbers for
strings like `'1a'`. Revert this change but maintain the special case it
was meant to fix (`+'   ' === 0`). See
https://github.com/yui/yui3/commit/9e431fa1eeee94919cea1a28099b383d11b4ae18
[datatype-number] Test string+number edge cases
[datatype-number] Add tests for booleans
[datatype-number] Fix boolean edge cases
Merge remote-tracking branch 'juandopazo/number-parse' into release-3.14.0
datatype-number: Build
datatype-number: Update HISTORY.md