truncated history, removes old states containing 3d models
Added more interface examples
Updated package info
Update package info
added ros::ok() check in main loop,
improvements in virtual camera interface:
  * Added matrix R in camera info message
  * Fixed wrong entry for P in camera info message
  * Added distortion model name in camera info message
added camera name to info log in SimulatedIAUV
fixed a lot of warnings
* Merged VirtualRangeSensor from branch
* Merged Vehicle velocity integration from branch
Merge r49:50. spin() moved to main.cpp
Some code cleaning, smart pointers
More code cleaning
Even more code cleaning. Improved screen output. Verbose options --v and --vv
Updated usage text when --help option
Toggle frame visualization by pressing 'f' key
Added --disableTextures command option
Fixed bug that caused seg fault with openGL at init
removed unused variable 'angle' to fix warning
Merge of r65. URDF links with no visual tag are parsed as they should now.
Fixed vector initialization
UWSim now loads the file included on URDF instead of osg version. UWSim can load every file that osgviewer can open. Check you .urdf!