MIRTH-2279: Added "getQueudResponse" as a deprecated method to ResponseFactory.
Removed alerted from ChannelStatistics object and related references.
Issue: MIRTH-2618
Fixed more minor TODOs and removed more TODOs that are no longer needed.
Issue: MIRTH-2675
MIRTH-2636: Refactored the names of the server-side classes that have analogs/wrappers in a userutil package. This is needed to prevent "ambiguous reference" Rhino exceptions from occurring when a user imports the entire connect.util or server.util packages in a JavaScript context.
Fixed database/schema migration for SQL Server. 

Old tables are now dropped after migration except for old_channel, old_message, and old_attachment.

Added foreign key back to old_message table in derby after the table is renamed.

Fixed bug in DonkeyElement that caused certain operations to fail if it was constructed with an XML string.

Cleaned up imports in ServerMigrator.

MIRTH-2829
MIRTH-2552
Removed old channel restarting code that was never fully implemented.
Issue: MIRTH-2675
Lowered height and width requirements for channel setup page, alert edit page, and message browser.

Fixed horizontal scroll bar not always showing up in message browser.
Issue: MIRTH-2831