Add GLM_META_PROG_HELPERS tests to each type

- Add new tests to the matrix types
- Add vector tests to use the static values instead of constants
- Wrap the quaternion tests in #ifdefs
- Add new tests to the simdMat4 and simdVec4 tests

test/gtc/gtc_quaternion.cpp

@@ -325,7 +325,10 @@ int main()
 {
 	int Error(0);
 
-	assert(glm::quat::components == 4);
+#ifdef GLM_META_PROG_HELPERS
+		assert(glm::quat::components == 4);
+		assert(glm::quat::components == glm::quat().length());
+#endif
 
 	Error += test_quat_ctr();
 	Error += test_quat_mul_vec();