Deleting primaryAbrahamLibrary, as it messed up website search and other things.

Thermo are not ThermoData objects, so in fact messes up fetching thermo from libraries.
This was already noted that it is not a normal thermo library in commit 665d74a
but for some reason was not removed.
Merge pull request #47 from connie/master

Deleting primaryAbrahamLibrary, as it messed up website search and other things