* fixed hidding shop system menu on tibiacom template when disabled in
config
* some changes to sample characters: chanced town_id to 1, posx: 1000,
posy: 1000, posz: 1000 and default group_id to 1 so you can change
in-game outfits and they will be used
* fixed account.login redirect not working on tibiacom template
* installation: warn about wrong admin account name/id and password
* (internal) removed some duplicated code on install finish
* (internal) renamed installation step files to be in correct order
* added TODO file
* bumped version to 0.7.3
* added anonymous usage statistics reporting
* (fix) don't show templates that doesn't exist in Menus option in Admin Panel
* (fix) menu ordering by category
* (fix) showing changelog with urls in Admin Panel
* (internal) moved uninstall logic to Plugins class
* fixed installing samples when for example Rook Sample already exist and other samples not
* fixed some mysql error when character you trying to create already exist
* fixed signature fonts finding path
* removed DEFAULT '' for TEXT field. It didn't worked under some systems like MAC OS X.
* moved news adding at installation from schema.sql to finish.php
* removed some unused cities field from myaac_spells table
* some optimizations
* full support for OTHire 0.0.3
* added support for otservers that doesn't use account.name field,
instead just account number will be used
* (install) moved admin account creation to new step
* fixed encryption detection on 0.3
* fixed bug when server_config table doesn't exist
* other fixes
