Replacing gc by memwatch

Signed-off-by: Juan Martin Runge <jmrunge@gmail.com>
Adding memwatch to profiler

Signed-off-by: Juan Martin Runge <jmrunge@gmail.com>
Replacing log message

Signed-off-by: Juan Martin Runge <jmrunge@gmail.com>
Replacing gc with profiler's memwatch methods

Signed-off-by: Juan Martin Runge <jmrunge@gmail.com>