Fix whitespace issue in Mysql5BuildDataTest
Update Mysql5CompleteTableDiffTest with index DDL changes
Add append_header and append_footer methods to mock_output_file_segmenter
Make pgsql8_diff::diff_doc_work public to facilitate testing
Uhh, make sure we do mysql data adds in stage FOUR, not two
Get serialStartTest passing for both pgsql8 and mysql5