Some grammar, some typos, and some changes to a more comprehensible terminology
Merge pull request #40 from hauschke/patch-1

Some grammar, some typos, and some changes to a more comprehensible term...
Fix modal blackout bug.
Implemented "exclude facet" functionality.
Progress on VUFIND-177.
Made exclude facet display configurable.
- Progress on VUFIND-177.
Added processing of OR facet parameters (no selection UI yet).
- Progress on VUFIND-177.
Treat ORed facets as "applied"
- Progress on VUFIND-177.
Allow ORed facets on advanced search (ON by default)
- Resolves VUFIND-45
- Also made Summon advanced facets more configurable
Added ORed facet support to SideFacets.
- Progress on VUFIND-177
- Thanks to Daniel Aineah and Tuan Nguyen for Solr development work
Added OR/NOT support to TopFacets.
- Progress on VUFIND-177
- Refactored TopFacets/SideFacets to share common base class
Blueprint advanced facets front.
Bootstrap advanced facets front.
Check SymWS version when encountering certain errors in Symphony ILS driver
use SimpleXMLElement class for creating XML
use \VuFind\Date\Converter for working with dates
use default patron id for getHolding when user is not logged in
description of AVA tag used in getStatusesX
unused variable removed
cleanup in getHolding method (avoid use of xpath for simple cases)
Aleph driver: fix for PHP 5.4