* Modified mining settings stored procedures to use text identifiers
instead of numeric identifiers
* Added DAO for mining settings and controller for resource operations
* Added UpdateEmpireMiningSettingsCommand and associated command
delegate. The command always returns NullResponse.
* Overview page templates split into multiple files for clarity, added
priority update form to the empire economy view and associated web
server handler
* Added session records to carry resource information over to the
clients
* Added SQL support code for the various views
* Added interface and implementation of the resource information access
component
* Hooked resources information queries into both the empire and planet
management component
* Added resources display to planet and overview pages
* Changed names of common packages so they are coherent with the rest
* Added new project for tests on common classes (utilities and session)
* Added new project for tests on the web clients