preparation for fixing some pup_land maps that use the blake.arc
tile set to allow shorelines to have rounded edges instead of
corners. The problem is that the blake.arc tile set is not the
same color as the sea.arc tile set unless you are using the
classic png's, so the pup_land seas sometimes are shown in two
completely different colors of blue. The tiles added are "coves"
that have transparency on three sides. The naming convention
used is consistent with the big lake tile set. The naming.doc
rules for walls is followed if you consider a shoreline to be a
sort of wall.
git-svn-id: svn+ssh://svn.code.sf.net/p/crossfire/code/arch/trunk@5421 282e977c-c81d-0410-88c4-b93c2d0d6712
anmaster
akirschbaum
kbulgrien