I reviewed the "Can't clean a full /boot because of unmet dependencies" and it cleared the boot to about 43% used on boot.
Then I ran sudo apt-get autoremove
and it put all of the linux-images
back and I was full again with same problem. It looks like I'll have to backup my documents and do a complete install or use the clone-zilla image from two years ago.
I see that there a lots of problems with boot space. I have several linux computers with 14.04 and my major problem is with boot always being full. Is there a fix and a suggest process to fix this. It takes lots of my time?