Fixed some stragglers in timing

gtsam_unstable/timing/timeDSFvariants.cpp

@@ -40,8 +40,7 @@ int main(int argc, char* argv[]) {
   os << "images,points,matches,Base,Map,BTree" << endl;
 
   // loop over number of images
-  vector<size_t> ms;
-  ms += 10, 20, 30, 40, 50, 100, 200, 300, 400, 500, 1000;
+  vector<size_t> ms {10, 20, 30, 40, 50, 100, 200, 300, 400, 500, 1000};
   for(size_t m: ms) {
     // We use volatile here to make these appear to the optimizing compiler as
     // if their values are only known at run-time.

timing/timeCameraExpression.cpp

@@ -100,7 +100,6 @@ int main() {
   // Oct 3, 2014, Macbook Air
   // 9.0 musecs/call
   typedef PinholeCamera<Cal3_S2> Camera;
-  typedef Expression<Camera> Camera_;
   NonlinearFactor::shared_ptr g3 =
       boost::make_shared<ExpressionFactor<Point2> >(model, z,
           Point2_(myProject, x, p));

timing/timeSchurFactors.cpp

@@ -101,7 +101,7 @@ void timeAll(size_t m, size_t N) {
   { // Raw memory Version
     FastVector < Key > keys;
     for (size_t i = 0; i < m; i++)
-      keys += i;
+      keys.push_back(i);
     Vector x = xvalues.vector(keys);
     double* xdata = x.data();
 
@@ -144,7 +144,7 @@ int main(void) {
   //  ms += 20, 30, 40, 50;
   // ms += 20,30,40,50,60,70,80,90,100;
   for (size_t m = 2; m <= 50; m += 2)
-    ms += m;
+    ms.push_back(m);
   //for (size_t m=10;m<=100;m+=10) ms += m;
   // loop over number of images
   for(size_t m: ms)