Bug Fixes
* Fixed Group A Songs not showing their respective skill animation. (bugreport:7379)
* Fixed Cart Revolution pushing targets East rather than West. (bugreport:8806)
* Chemical Protection should not remove Strip status. (bugreport:8807)
* Concentration now casts Endure. (bugreport:4262, bugreport:8756)
* Fixed the Riding Mount icon not showing up after relogging for Dragons and Mado Gear. (bugreport:8805)
* Crescent Elbow will now knock the target back 8 cells.
* Other miscellaneous cleanups.
Minor bug fixes.
- Fixed incorrect item IDs in Port Malaya quests. (bugreport:8810)
http://rathena.org/board/tracker/issue-8810-quest-malaya/
- Updated Ship Captain Hat bonuses. (bugreport:8725)
http://rathena.org/board/tracker/issue-8725-item-bugs/

Signed-off-by: Euphy <euphy.raliel@rathena.org>
Bug Fixes
* Cleaned up some remaining Concentration leftovers from 1f26499. (bugreport:8756)
* Added a missing break for the damage calculation of Cross Strike.
* Adjusted the area of effect for Feint Bomb.
* Miscellaneous cleanups.