Shopkeeper money patch by Misanthropos

from repo https://github.com/misanthropos/ja2.git

LICENSE: unknown
added typecast for uiBrushHeight http://www.ja-galaxy-forum.com/board/ubbthreads.php?ubb=showflat&Number=261508#Post261508
- added commit for trip flares http://www.ja-galaxy-forum.com/board/ubbthreads.php?ubb=showflat&Number=261508#Post261508
fixes crash when dead merc was removed from contract menu
Merge branch 'patches/misanthropos'

Patches from repo https://github.com/misanthropos/ja2

LICENSE: unknown