This has something do with a PPA you have enabled.
Broken libcogl15:amd64 Depends on libegl1-mesa-drivers [ amd64 ] < none -> 10.4.0~git20141112.7a82961b-0ubuntu0ricotz~trusty > ( libs )
Considering libegl1-mesa-drivers:amd64 1 as a solution to libcogl15:amd64 -1
Holding Back libcogl15:amd64 rather than change libegl1-mesa-drivers:amd64
This has something do with a PPA you have enabled.
Broken libcogl15:amd64 Depends on libegl1- mesa-drivers [ amd64 ] < none -> 10.4.0~ git20141112. 7a82961b- 0ubuntu0ricotz~ trusty > ( libs ) mesa-drivers: amd64 1 as a solution to libcogl15:amd64 -1 mesa-drivers: amd64
Considering libegl1-
Holding Back libcogl15:amd64 rather than change libegl1-