- implemented folder message table database logic
https://github.com/openpeer/opios-production/issues/202

- partly completed message table database logic
https://github.com/openpeer/opios-production/issues/204

- implemented versioned folder message database logic
https://github.com/openpeer/opios-production/issues/203

- implement folder table database logic
https://github.com/openpeer/opios-production/issues/201

- added download failure to message table
https://github.com/openpeer/opios-production/issues/204

- misc fixes to incorrect push messaging logic upon review
- added SqlRecord debug output
- fixed "sss" typo
- split push messaging into "types" interface and "methods" interface
- added "toDebug" routines for many structures
https://github.com/openpeer/opios-production/issues/214

- added FIELD_KEY_AUTOINCREMENT type
- added "ignored" flag to fields and values
- made a bunch of methods "const"
https://github.com/openpeer/opios-production/issues/214

- added ZS_PARAMIZE
https://github.com/openpeer/opios-production/issues/214