You can add it via admin panel by 'Add skill' button.
ex. Triple Slash +30 Power (1, 130) where 1 is skill ID and 130 level --> +30 power.
Necessary lvls you can find in enchant_skill_trees.sql
Go to
java/net/sf/l2j/gameserver/handler/admincommandhandlers/AdminGmChat.java
find this
CreatureSay cs = new CreatureSay(0, Say2.ALLIANCE, activeChar.getName(), text);
and change Say2.ALLIANCE to
Say2.PARTYROOM_COMMANDER
Chceckout properly all 3 distinct projects. Use tutorial if you don't know how, or simply download already compiled rev :P
Also, next time use aCis forum for support.
http://www.maxcheaters.com/forum/index.php?topic=183597.0
1. Depend what has been added, but generaly you have to 'refresh' l2jserver.jar from gameserver/libs folder. After compilation copy (from workspace) and paste l2jserver.jar to ur server folder.