Oracle generator outputs NULL for altering columns
Merge pull request #418 from vgrigoriu/master

Oracle generators should output NULL when a column is explicitly nullable
Fix MySql Currency type closes #419
Merge pull request #423 from tommarien/Issue419

Fix MySql Currency type closes #419
Bumped revision
Remove old unused test files
Added call of MySqlQuoter.QuoteTableName into MySqlProcessor.ReadTableData, integration test.
Merge pull request #435 of NikGovorov/mysql-quote-ver

# By NikGovorov
# Via NikGovorov
* NikGovorov-mysql-quote-ver:
  Added call of MySqlQuoter.QuoteTableName into MySqlProcessor.ReadTableData, integration test.