[build.sh] Build script now has 'env' file at head and 'parser' file tail
[cmd_deploy] Now uses the _OPT_DB_FILE variable instead of DB_FILE
[cmd_deploy] now generates imageidList using DB_FILE if imageid not provided by user
[cmd_exclude] Rewrote to operate as front end to db_set's exclude function
[cmd_include] Added as front end to db_set's include function
[cmd_update] Fixed some typos
[db_set] Added as backend to DB_FILE trackid selection
[env] Now defines _OPT_DB_FILE as .dam.db
[parser] Updates parser to support cmd_deploy, cmd_include, cmd_exclude and cmd_update
[print_meta_mtag] Last line now does not trail with ";" character
Renamed function print_future_meta to print_meta_mtag, and added ability to define what field to extract
Renamed function update_db to db_update, and updated to support new database format
Created function db_set to set selection of trackid depending on conditions
Updated cmd_deploy to support deploy_imageid
Updated cmd_update to support new db_update
