start lucene faceting branch
add ResultsWithFacet object, facet_search toggle
Merge branch 'develop' into 2656-lucene

Conflicts:
	src/DVN-web/web/BasicSearchFragment.xhtml
Merge branch 'develop' into 2656-lucene
Merge branch 'develop' into 2656-lucene
avoid null pointer when adding facets, fixes #2800
Merge branch 'develop' into 2656-lucene
use OpenMode.CREATE_OR_APPEND (the default) per:

- http://irclog.iq.harvard.edu/dvn/2013-03-13#i_1428
- http://svn.apache.org/viewvc/lucene/dev/branches/branch_4x/lucene/facet/src/java/org/apache/lucene/facet/doc-files/userguide.html?r1=1456119&r2=1456118&pathrev=1456119
add debugging for indexing studies
stop calling old search (without facets) method
better output of facet results
index and query more facets
Merge branch 'develop' into 2656-lucene

Conflicts:
	src/DVN-web/src/edu/harvard/iq/dvn/core/web/BasicSearchFragment.java
in 2656-lucene branch ignore updated jar files
Merge branch 'develop' into 2656-lucene
show facet categories on search result page
Merge branch 'develop' into 2656-lucene
add fixme for if StudyListingPage.facets is empty (i.e. nothing indexed yet)
display facet result names; need counts/subsearch
show (ugly) facet result names and counts