kdl: initial commit

orocos-kdl: moving source info into kdl.inc
to share with python-orocos-kdl recipe
orocos-kdl: added libeigen DEPENDS and cleaned FILES section
python-orocos-kdl: initial commit (resolves #203)
Merge pull request #205 from KristofRobot/kdl

python-orocos-kdl: initial commit (resolves #203)