EG/TS: cleaned up a bit and added gitignore
EG/TS: wip. Dedupfilter (aka Grouping of FRBR)
EG/TS: various:

- RENAMED finish() to close()
- DeDupCollectorFilter done.
- commit added to Lucene
TS/EG: added resultsFilterCollector that only

filters the results and not the facets.
TS/EG: resultsFilterCollector is now dedupField
EG/TS: wip
EG/TS: W.I.P.
Revert "EG/TS: W.I.P."; too soon, will break lots of things.

This reverts commit 7a3544f3de6cfc7d7321e228e7f85053fd27d10d.