Add to Pocket from link context menu

Branch: adambro/in-my-pocket:add_link_context_menu
Branch: pabuisson/in-my-pocket:master
Merged
Merged pull request
Merged in adambro/in-my-pocket/add_link_context_menu (pull request #27)
Merged in adambro/in-my-pocket/add_link_context_menu (pull request #27)