Added the necessery classes to handle symmetry objects/mirrors in symbols; What used to be SymbolPart is now SymbolShape, SymbolPart is a base class.

This should also pave the way for grouping.

git-svn-id: svn://svn.code.sf.net/p/magicseteditor/code/trunk@526 0fc631ac-6414-0410-93d0-97cfa31319b6

src/data/format/image_to_symbol.hpp

@@ -31,7 +31,7 @@ SymbolP image_to_symbol(Image& img);
 void simplify_symbol(Symbol&);
 
 /// Simplify a symbol parts, i.e. use bezier curves instead of lots of lines
-void simplify_symbol_part(SymbolPart&);
+void simplify_symbol_shape(SymbolShape&);
 
 // ----------------------------------------------------------------------------- : EOF
 #endif