BETA: Minor changes.
	* Added some missing !JavaDocs.
	* Using Java's `HashMap` at `SkillData` instead of Trove's map implementation.
	* Changed XXX in comments for TODO, so they will display properly on Eclipse's task lists.

git-svn-id: http://svn.l2jserver.com/branches/unstable/L2J_Server_BETA@6443 d34dfa0f-f91c-0410-86dd-cf06f19dd0ad
BETA: Minor NPE fix for [6443].

git-svn-id: http://svn.l2jserver.com/branches/unstable/L2J_Server_BETA@6444 d34dfa0f-f91c-0410-86dd-cf06f19dd0ad
BETA: Fixing more Summon related NPEs.
	* Reported by: Sdw, mars8022

git-svn-id: http://svn.l2jserver.com/branches/unstable/L2J_Server_BETA@6446 d34dfa0f-f91c-0410-86dd-cf06f19dd0ad
Merge branch 'master' of https://github.com/L2J/L2J_Server_BETA