Added 'schema' folder to binary build.

plugins/org.yakindu.sct.generator.core/build.properties

@@ -3,5 +3,6 @@ output.. = bin/
 bin.includes = META-INF/,\
                .,\
                plugin.xml,\
-               library/
+               library/,\
+               schema/
 src.includes = library/