KartikTalwar/gmail.js — pull request #124 by neomarbassani (2014-12-17 11:01:21+00:00)
Title: Adding functions to Add toolbar button and get content from selected emails

Three new functions:

api.dom.toolbar: Get toolbar's DOM element
api.get.selected_emails_data: Get emails data from all selected emails. It works on list and inside conversation
api.tools.add_toolbar_button: Add a new button to toolbar