[Commands] Add additional #peqzone functionality. (#2085)

* [Commands] Add additional #peqzone functionality.
- Add #peqzone flagging capabilities so operators don't have to blanket allow #peqzone access to zones.
- Allows you to set a zone's `peqzone` column to `2` and disallow use of `#peqzone` until they have been given the appropriate flag.
- Add #peqzone_flags command to list your #peqzone flags similar to #flags command.
- Add `character_peqzone_flags` table to database and database_schema.h.
- Required SQL update to add the new table.
- Add client:ClearPEQZoneFlag(zone_id) to Lua.
- Add client:HasPEQZoneFlag(zone_id) to Lua.
- Add client:LoadPEQZoneFlags() to Lua.
- Add client:LoadZoneFlags() to Lua.
- Add client:SendPEQZoneFlagInfo(client) to Lua.
- Add client:SetPEQZoneFlag(zone_id) to Lua.
- Add $client->ClearPEQZoneFlag(zone_id) to Perl.
- Add $client->HasPEQZoneFlag(zone_id) to Perl.
- Add $client->LoadPEQZoneFlags() to Perl.
- Add $client->SendPEQZoneFlagInfo(client) to Perl.
- Add $client->SetPEQZoneFlag(zone_id) to Perl.

* Fixes.

common/version.h

@@ -34,7 +34,7 @@
  * Manifest: https://github.com/EQEmu/Server/blob/master/utils/sql/db_update_manifest.txt
  */
 
-#define CURRENT_BINARY_DATABASE_VERSION 9179
+#define CURRENT_BINARY_DATABASE_VERSION 9180
 
 #ifdef BOTS
 	#define CURRENT_BINARY_BOTS_DATABASE_VERSION 9028