Add an example with r.desc when using an index
Make examples consitent accross languages + Wrapping the js example in quotes so pyyaml doesn't complain
Use : for ruby + wrap js example in quotes. ROTS by @jdoliner
Add missing files to python driver

Review 881 by @wmrowan
Fixes #1359
Merge branch 'v1.8.x' into v1.9.x