Add IJ ROI reader in sktracker.io
Merge pull request #48 from bnoi/add_read_roi

Add IJ ROI reader in sktracker.io
	modified:   draw.py
Merge branch 'master' of github.com:bnoi/scikit-tracker
took time_interpolate out of the Trajcetories class definition
fixing dtheta computation in rotation.py
translation tests
transformation tests
Merge branch 'master' of github.com:bnoi/scikit-tracker into measures