* Fixed common misspelled names from iRO and other typos.
Introducing a new constant INFINITE_TICK Changed current usages in items, npcs and source to use the new and correct constant. Replaced some invalid usages of INVALID_TIMER and replaced them with the new constant.
* Added clan emblems to the NPCs * Partial merge of/based on idathena/trunk@1f84c5d Thanks to @exneval
Thanks to @cydh, @RagnarokNova and @aleos89 for their help.