Allowing the developer to add migration code for in case the schema of

Allowing the developer to add migration code for in case the schema of

2009-01-12  Philip Van Hoof  <philip@codeminded.be>

	* camel/camel-db.c: Allowing the developer to add migration code for in
	case the schema of Camel's summary SQLite data format changes.

	Also adds two columns, modified and created, to the summary data being
	stored and renames the column msg_security to dirty as requested by
	Srinivasa Ragavan and Sankar P.

svn path=/trunk/; revision=9920