Merge branch 'fix_setfill' into 'master'

Fix std::setfill so that we always leave the ctout state with  a space fill

See merge request mobile_robotics/wolf!230

src/test/gtest_odom_2D.cpp

@@ -364,6 +364,7 @@ TEST(Odom2D, KF_callback)
         std::cout << "capture ts: " << capture->getTimeStamp() << " - " << capture->getTimeStamp().get();
         std::cout << "nsec:        " << capture->getTimeStamp().getNanoSeconds() << std::endl;
         std::cout << "filled nsec: " << std::setfill('0') << std::setw(9) << std::right << capture->getTimeStamp().getNanoSeconds() << std::endl;
+        std::cout << std::setfill(' ');
 
         // Processor
         sensor_odom2d->process(capture);

src/time_stamp.cpp

@@ -6,6 +6,7 @@ namespace wolf {
 std::ostream& operator<<(std::ostream& os, const TimeStamp& _ts)
 {
     os << _ts.getSeconds() << "." << std::setfill('0') << std::setw(9) << std::right <<_ts.getNanoSeconds(); // write obj to stream
+    os << std::setfill(' ');
     return os;
 }