Updated Grapher menu to act like the improved registry menu, allowing clickable icons. (#239)
Updated Grapher menu to act like the improved registry menu, allowing clickable icons. (#239)

Updated the Grapher menu to behave like the updated registry menu in Pull #202.

- Icons are now clickable as well as the text, including the back arrow.
- Back arrow is now always a dark grey color instead of turning purple.

Review: da39a3ee5e6b4b0d3255bfef95601890afd80709@maffoo 
labrad/scalabrad-web,labrad/scalabrad-web,labrad/scalabrad-web,labrad/scalabrad-web,labrad/scalabrad-web