added bookmarklet functionality and link for bookmark bar

Built with code from this PR: https://github.com/TelescopeJS/Telescope/pull/112

Works on local/meteor/modulus hosting with my own version of Telescope.

Works on local/meteor hosting with the most recent version of Telescope

Just add your sites URL to the link on line 8 and change the link text to say whatever you want. 
For testing locally right click on the bookmark on your bookmarks bar to edit the code and change the url to localhost or w/e

Hope this help @SachaG !