Update to 0.49
Update DEPENDS

Upstream changes:
0.49 - 2016-05-12, H.Merijn Brand
    * Simplified test-table-name generation
    * Prefer quote_empty over quote_always for size (Text::CSV_XS => 1.18)
    * Add CONTRIBUTING.md
    * It's 2016
    * Added docs to warn for reserved words (RT#106529)
    * Minor spelling corrections (PRC Guillermo O. Freschi)
    * Test with perl 5.24.0, DBI 1.636, SQL::Statement-1.410, and
      Text::CSV_XS-1.23

(wen)