STYLE: uniform 'Test-' prefix for all applications/test

- easier to clean, avoid confusion with 'real' applications, etc.

applications/test/vector/Test-vector.C

@@ -0,0 +1,37 @@
+#include "vector.H"
+#include "IOstreams.H"
+
+using namespace Foam;
+
+int main()
+{
+    Info<< vector::zero << endl
+        << vector::one << endl
+        << vector::dim << endl
+        << vector::rank << endl;
+
+    vector d(0.5, 0.5, 0.5);
+    d /= mag(d);
+
+    vector dSmall = (1e-100)*d;
+    dSmall /= mag(dSmall);
+
+    Info<< (dSmall - d) << endl;
+
+    d *= 4.0;
+
+    Info<< d << endl;
+
+    Info<< d + d << endl;
+
+    Info<< magSqr(d) << endl;
+
+    vector d2(0.5, 0.51, -0.5);
+    Info<< cmptMax(d2) << " "
+        << cmptSum(d2) << " "
+        << cmptProduct(d2) << " "
+        << cmptMag(d2)
+        << endl;
+    Info<< min(d, d2) << endl;
+    return 0;
+}