* 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 networks (facebook and twitter) and highscores (top 5) boxes to tibiacom template, configurable in templates/tibiacom/config.php
* fixed polls box in tibiacom template
* (internal) moved tibiacom boxes to separate directory
* (internal) renamed constant TICKET -> TICKER
* added new indicator icons for create account, create character and change character name
* attempt to fix incorrect views counter behavior (its resetting to 0 in some cases)
* moved check_* functions to class Validator
* from now all validators ajax requests will fire onblur instead of onkeyup
* ajax requests returns now json instead of xml
* added 404 response when file is not found
* fixed gallery
