added XML schema files to the list of the source files.
added XML schema files to the list of the source files.

after compiling is complete, copy the schema files to the sandbox.

gospodnetic/appleseed,luisbarrancos/appleseed,Aakash1312/appleseed,Biart95/appleseed,glebmish/appleseed,aytekaman/appleseed,appleseedhq/appleseed,pjessesco/appleseed,Biart95/appleseed,appleseedhq/appleseed,est77/appleseed,luisbarrancos/appleseed,dictoon/appleseed,glebmish/appleseed,appleseedhq/appleseed,appleseedhq/appleseed,luisbarrancos/appleseed,gospodnetic/appleseed,docwhite/appleseed,luisbarrancos/appleseed,Aakash1312/appleseed,Vertexwahn/appleseed,est77/appleseed,Aakash1312/appleseed,est77/appleseed,Aakash1312/appleseed,docwhite/appleseed,dictoon/appleseed,aytekaman/appleseed,docwhite/appleseed,glebmish/appleseed,Biart95/appleseed,gospodnetic/appleseed,Vertexwahn/appleseed,aiivashchenko/appleseed,aiivashchenko/appleseed,est77/appleseed,pjessesco/appleseed,luisbarrancos/appleseed,appleseedhq/appleseed,glebmish/appleseed,aiivashchenko/appleseed,glebmish/appleseed,dictoon/appleseed,pjessesco/appleseed,Aakash1312/appleseed,Biart95/appleseed,est77/appleseed,Vertexwahn/appleseed,Biart95/appleseed,dictoon/appleseed,aiivashchenko/appleseed,gospodnetic/appleseed,gospodnetic/appleseed,docwhite/appleseed,aytekaman/appleseed,aiivashchenko/appleseed,Vertexwahn/appleseed,pjessesco/appleseed,pjessesco/appleseed,Vertexwahn/appleseed,docwhite/appleseed,aytekaman/appleseed,aytekaman/appleseed,dictoon/appleseed