Display Star and Fork on mobile, fix#18537.
## What does this MR do?
Displays the Star and Fork buttons on mobile devices.
## Are there points in the code the reviewer needs to double check?
Nope.
## Why was this MR needed?
I wanted to star and/or fork projects while on my phone, I couldn't do that before.
## What are the relevant issue numbers?
#18537
## Screenshots (if relevant)
![Screen_Shot_2016-06-16_at_11.41.24_AM](/uploads/053ac0c1b39a7b1b30fffb0a8d43cffb/Screen_Shot_2016-06-16_at_11.41.24_AM.png)
cc: @jschatz1
See merge request !4714