-avoid-version to libtool flags for plugin loaders, so that they are
real unversioned .so and they can be discovered by ethos users. Update
PFRAG.shared, PLIST & SHARED_LIBS.
Makes emerillon happy.
The core ethos library, libethos-1.0, only links against libgobject so
that it is safe to use in GUI-less applications. The GTK+ library,
libethos-ui-1.0, provides widgets that can be embedded within your
application to manage plugins during run-time.
Add a pair of header files upstream forgot to put in distfile.