Fixes Dancer' song Service for you

Corrected Max SP and Regeneration bonus from Dancing lesson. Thanks to Kyeme.

Bug report 7914 http://hercules.ws/board/tracker/issue-7914-gypsy-kiss-service-for-you/
Merge pull request #336 from csnv/somefixes

Fixes Dancer' song Service for you
Bug report 7914 http://hercules.ws/board/tracker/issue-7914-gypsy-kiss-service-for-you/