[swaplogger] Correct check for libEGL

Not the entire world is SGX. Sadly. :-)
[swaplogger] Add packaging.
Slight fixes to packaging.
[swaplogger] Default to EGL damage tracking by default.

This is (by far) the most common use of this tool, so let's make it easy.
Also switch off the exclusitivity checks; they weren't ideal (as e.g. exporting
things in your environment could trip them) so simply make the last option
"win".
Merge pull request #1 from rburchell/master

Fixes to swaplogger for common usage & Mer EGL requirements