Distinguish between setQueries and addQueries.
Fixed bug: incorrect advanced search spelling query.
Escape colons in error-causing Solr queries to avoid error page.
Resolves VUFIND-879.
Advanced query detection is now more backslash-aware.
Resolves VUFIND-601.
Added search type to prevent Solr parse errors in edge cases.
Fix for ampersand bug.
Resolves VUFIND-880.
Add support for preference facet values in advanced searching.

Conflicts:
	local/vufind2.mzk.cz/config/vufind/facets.ini
BLUEPRINT js tree bug fix.
Update config.ini

Example/default config uses wrong key: "world" is unrecognized, "ic-world" is intended.
Update preview.phtml

"ic-world" not "world".
Merge pull request #26 from atz/patch-2

Update preview.phtml
Merge pull request #27 from atz/patch-1

Update config.ini
Removed facets.ini
institution is multiselect facet
enable table view
Merge branch 'upstream'
basic support for hiearchical facets in AjaxController
pass hierarchical facets setting to view
allow per-field overrides of facet params (f.facetName.facet.param in SOLR)
allow per-field overrides of facet params (f.facetName.facet.param in SOLR)