I installed CKGedit, left default confguration and got this:
https://www.screencast.com/t/alsj4jZzIjj the site normally looks like this:
https://www.screencast.com/t/53gqQ49k and so I expected something similar with editing ability.
I think this may be a conflict with Bootstrap3?
So, I have disabled the editor till I have time to investigate, but you may have some suggestions?