Merge pull request #269 from eile/master

Generalize test config and put more tokens in it
Merge pull request #271 from eile/master

Fix #270: eq::Server::chooseConfig fails
Extracting classes related to PLY models to its own library

Those classes are currently part of the eqPly example, but
they are actually used by other examples and tools. Besides
some other project want to benefit from them.
CR #272 and assorted cleanups