* Follow up to 2cfb844.
* Adjusted the instance_db documentation.
* Adjusted script command instance_announce to check when instance ID is 0 rather than -1 since instance IDs are stored as unsigned now.
* Added a couple of checks when sending instance information to the client.
* Fixed a compile warning.
* Follow up to c97be60.
* Added some safety measures when sending the instance name to the client.
* Adjusted the stored maps of instances to dynamic arrays to conserve memory.
- Max amount of possible maps increased to 255.
* Removed Map1 from the instance_db as the EnterMap is always the same value.
* Instances will now be destroyed even if the owner cannot be found.
* Corrected the return value when entering an instance when a character, party, or guild does not have an instance.
* Corrected a few script commands to properly stop the script engine on failures for instance script commands.
* Removed the instance name lookup for when entering an instance as instance_id is now passed.
- Adjusted script command instance_enter to no longer require the instance name.
* Adjusted script command instance_create to keep backwards compatibility.
* Cleaned up script command instance_warpall.
* Updated script documentation to reflect changes.
* Updated instance_db to reflect changes.
Add db/import-tmpl/ and add all file that could currently be
overwritten, (please add note if a db is missing)
db/import folder is created by "make import" just like conf/import and
msg_conff/import, (didn't found the visual equivalent)
