Added 'insert symbol' menu for SymbolFonts;

Added scriptable 'enabled' to symbols in symbol font, used instead of scripted filenames. This means changing the tap symbol style now works;
Added localisation for games, stylesheets and symbolfonts;
Warnings from Reader are now shown onIdle;

git-svn-id: svn://svn.code.sf.net/p/magicseteditor/code/trunk@198 0fc631ac-6414-0410-93d0-97cfa31319b6

src/util/error.hpp

@@ -96,7 +96,10 @@ class ScriptError : public Error {
  */
 void handle_error(const Error& e, bool allow_duplicate = true, bool now = true);
 
-/// Handle errors that were not handled immediatly in handleError
+/// Handle a warning by showing a message box
+void handle_warning(const String& w, bool now = true);
+
+/// Handle errors and warnings that were not handled immediatly in handleError
 /** Should be called repeatedly (e.g. in an onIdle event handler) */
 void handle_pending_errors();