it's still not merged into EFL single tree, but once it is we should
use "HAVE_EXOTIC" define to work with it.
Before we had: EINA_HAVE_EXOTIC (not used), HAVE_EXOTIC_H (used by
eina_module.c). Since the other libs are all defined as HAVE_LIBNAME,
we're using HAVE_EXOTIC everywhere now.
SVN revision: 77816