Remove unused lines
Move joint limit setter/getter from Skeleton to Joint.
Add commented Joint::setPositionUpperLimit() and ...LowerLimit()
Add setting joint position at SkelParser.
Add simple unit test for joint position limit.
Remove Skeleton::getBodyNodeIndex() and Skeleton::getJointIndex().
Starting implementation of sdf parser.
Remove getGenCoords() and rename getDOF() to getNumGenCoords()
Merge branch 'origin/master'

Conflicts:
	src/dynamics/Skeleton.cpp
Merge branch 'origin/master'
Fix compiler error caused by last commit
Rename SDFParser to SdfParser.
Add benchmark.world (sdf)
Add sdfLoader app
Add sample sdf files
Fix SdfParser.
Use boost::token_compress_on in boost::split().
sdfLoader app loads double_pendulum.world
Merge branch 'origin/master'
Add double_pendulum_with_base.world