This prevents legacy EO classes from being exposed through .eo.h headers
or .eo in share/eolian/includes. Also removes a slew of useless xxx_eo.h
intermediate headers.
Notes:
- elm_systray has no proper API: it's not clear if the EO API should be
released (in which case it needs to be renamed to efl_something) and
there is no legacy API to create a systray object.
- Some files have been placed in a "FIXME" section, as I believe they
are necessary within EO land, but at the same time still don't
conform to the interfaces (eg. name starts with elm_).
- elm_interface_scrollable is required by photocam. This means photocam
needs to be adapted to fit the EO scroller API (still to be
completed, I believe).
Bugs:
- This breaks most C++ examples. I KNOW. And I'm working on it.
Ref T5301
824792f09d