Reviewing the files from your upgrade attempt you seem to have enabled
the xorg-edgers-ppa. This will prevent the upgrade as that PPA contains
different versions of packages essential to Ubuntu. The page,
https://launchpad.net/~xorg-edgers/+archive/ppa, contains details on to
how to revert to the official Xorg packages.
Also you have cinnamon installed which is not upgradeable (bug 1279762)
** Changed in: ubuntu-release-upgrader (Ubuntu)
Status: New => Invalid
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https://bugs.launchpad.net/bugs/1309546
Title:
Ubuntu doesn't upgrade from v13 to v14
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