[facet] use facet name as input name for text widget (eg has_text)
we need to ba able to distinguish between text-inputs so we can write
a widget for a single facet that uses more than one text input.
This fix consists in the diff in cubicweb.facts.js; modifications in
facet.py result from this former.
debian/tmp/usr/lib/PY_VERSION/site-packages/cubicweb/entities/ usr/lib/PY_VERSION/site-packages/cubicweb
debian/tmp/usr/lib/PY_VERSION/site-packages/cubicweb/ext/ usr/lib/PY_VERSION/site-packages/cubicweb
debian/tmp/usr/share/cubicweb/cubes/ usr/share/cubicweb/
debian/tmp/usr/lib/PY_VERSION/site-packages/cubicweb/*.py usr/share/pyshared/cubicweb