updates to the db schemas, adding sample data
Patches applied:

 * mark.shuttleworth@canonical.com/launchpad--devel--0--patch-8
   update archivelocation schema from ddaa

 * mark.shuttleworth@canonical.com/launchpad--devel--0--patch-9
   change schema system to enums for most system values

 * mark.shuttleworth@canonical.com/launchpad--devel--0--patch-10
   Merge SourceSource table from Andrew Bennetts

 * mark.shuttleworth@canonical.com/launchpad--devel--0--patch-11
   change SourceSource.homepageurl to SourceSource.product

 * mark.shuttleworth@canonical.com/launchpad--devel--0--patch-12
   merge from rocketfuel

 * mark.shuttleworth@canonical.com/launchpad--devel--0--patch-13
   Add values for schema items