MyAAC 0.7.3

• auto generate myaac cache & session prefix on install to be unique across installations
• fixed hiding shop system menu on tibiacom template when disabled in config
• prevent adding duplicated newses with installation
• 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
• added version 772 constant to install client choose (OTHire)
• better solution for hidding samples (configurable) - highscores_ids_hidden
• fixed account.login redirect not working on tibiacom template
• installation: warn about wrong admin account name/id and password
• fixed last menu closing in tibiacom template
• updated polish locale (translation) on install
• (internal) removed some duplicated code on install finish
• (internal) renamed installation step files to be in correct order
• added TODO file