Don't hardcode collection URI in oml4py-simple-example

Signed-off-by: Olivier Mehani <olivier.mehani@nicta.com.au>
Update copyright notices

Signed-off-by: Olivier Mehani <olivier.mehani@nicta.com.au>
Update version number to 2.10.3

Signed-off-by: Olivier Mehani <olivier.mehani@nicta.com.au>