McXtrace: ESRF_ID01 does not compile

[ebknudsen]

ESRF_ID01 needs Perfect_crystal - this is now obsolete

1. Should use Bragg_crystal instead.
2. Also include the obsolete comps directory in the distro

[ebknudsen]

2. is done

[ebknudsen]

3. There's a different problem with compiling the polycrystal though.

[ebknudsen]

1. done
2. done

but

4. Add check for missing data files - at present component crashes.

[ebknudsen]

4. done