change ignore_db into an array & add matching ignore_table

This allows you to specify multiple dbs and tables to ignore in replication.
Fixes #205
Add log_warnings_suppress=1592 feature to attributes

This is a bool setting that sets the appropriate setting based on what mysql version is chosen
Add array sql_modes in attributes for setting sql-modes server wide
Add sql modes

Merge branch 'feature_193-sqlmodes'
Merge branch 'feature_205'