Enable NPC logging through 'logmes' by default.
- Commented some unnecessary log messages.

Bug fixes:
- M_DOPPELGANGER had too much HP. (Hercules 9cd3ec0)
- Huuma_Swirling_Petal should not have an element. (bugreport:9073)
http://rathena.org/board/tracker/issue-9073-huuma-swirling-petal/

Signed-off-by: Euphy <euphy.raliel@rathena.org>