[#2136] Upgrade recline.

Upgrade recline to
okfn/recline@5b8b02b296b1274c5d0f246bc3ac9dddf59c8c1a.

Fixes #1856. Closes #2031.
Merge branch '2136-upgrade-recline' of https://github.com/brew/ckan into brew-2136-upgrade-recline
[#2136] Update Leaflet vesion number on marker images hack
Merge branch 'brew-2136-upgrade-recline'