Inverted left/right camera and frame_id/camera_name mismatch fixed.
Fixed bug on object's collision shapes, werent loaded
Merge branch 'hydro-devel' of https://github.com/uji-ros-pkg/underwater_simulation into hydro-devel
Fixed restart scene event (key r)
Added trayectory restarter (y key)
added timeWindow feature make the trail of the vehicle disappear after the number of seconds specified in this new showTrajectory tag
corrected problem of deleting the trail whenever no moving/no publishing position
Merge pull request #44 from miguel-r/hydro-devel

added timeWindow feature make the trail of the vehicle disappear after t...
Solved surface projected trail in trajectory visualization
Merge branch 'hydro-devel' of https://github.com/uji-ros-pkg/underwater_simulation into hydro-devel

Conflicts:
	uwsim/include/uwsim/TrajectoryVisualization.h
	uwsim/src/SceneBuilder.cpp
Merge branch 'hydro-devel' into indigo-devel