Moved locale validation to a compile time test, instead of a runtime check performed by MSE itself.

This also removes perl as a build dependency for people who don't want to run the test suite.

test/tests.cmake

@@ -0,0 +1,17 @@
+# Use CTest for tests
+enable_testing()
+set(test_dir "${PROJECT_SOURCE_DIR}/test")
+set(CTEST_OUTPUT_ON_FAILURE 1)
+
+# Validate locales
+file(GLOB locales data/*.mse-locale)
+add_test(
+  NAME "validate-locales"
+  COMMAND perl "${test_dir}/locale/validate_locale.pl" "${PROJECT_SOURCE_DIR}/src" ${locales}
+)
+
+# Scripting language tests
+# TODO
+
+# Rendering tests
+# TODO