Support for traditional Boolean operators LP 1152863

Support for traditional Boolean operators LP 1152863

Added boolean search tab to advanced search page in a way that
utilizes the ability to set operators in query parser

Signed-off-by: Fredrick T Parks <fparks@catalystitservices.com>
	modified:   Open-ILS/src/perlmods/lib/OpenILS/Application/Storage/Publisher/metabib.pm
	modified:   Open-ILS/src/perlmods/lib/OpenILS/WWW/EGCatLoader/Search.pm
	modified:   Open-ILS/src/templates/opac/advanced.tt2
	modified:   Open-ILS/src/templates/opac/css/style.css.tt2
	new file:   Open-ILS/src/templates/opac/parts/advanced/boolean.tt2
	modified:   Open-ILS/src/templates/opac/parts/config.tt2
	modified:   Open-ILS/src/templates/opac/parts/header.tt2
	modified:   Open-ILS/src/templates/opac/parts/searchbar.tt2