Because i cant acess the pastebin, like i already said before, i could only view the posted logs which is missing the essential start of boot parts…
But as far as i could tell you have a problem with your Radeon graphics drivers.
Please uninstall that and use your Integrated graphics to at least be able to boot into your GUI.
From there you can try to re-install your Radeon graphics drivers again.
As i don’t use any GFX card using Radeon, i’m unable to assist further… 
Maybe this topic can help you, as it is similar to yours i think: