GetItemEstimate: Bug fixes
Provision: Bug fixes
Sync: Bug fixes
MSASCAL: Bug fixes
MSASAIRS: Bug fixes
Tested/implemented multiple new content classes

-Tested/implemented/fixed syncing of calendars, contacts, notes, tasks.
-Added testing storage (db tables) for those classes
-Various bug fixes
-Renamed MSASSMS to MSASMS (only del in this commit)
-Renamed and split "pyActiveSync.py" to more appropriate
"dev_playground.py" and "misc_tests.py"
-Added __init__.py to lib root
-Testing with production mailboxes