Renamed catch_default_main.hpp to catch_with_main.hpp

Test/TestMain.cpp

@@ -11,7 +11,7 @@
  */
 
 #include "../internal/catch_self_test.hpp"
-#include "../catch_default_main.hpp"
+#include "../catch_with_main.hpp"
 
 TEST_CASE( "selftest/main", "Runs all Catch self tests and checks their results" )
 {