Search fixes:  * Double-escaping of search terms in input field (see also #2759).  * Use the original search terms in links to other results pages.
Search fixes:
 * Double-escaping of search terms in input field (see also #2759).
 * Use the original search terms in links to other results pages.

pkdevbox/trac,pkdevbox/trac,pkdevbox/trac,pkdevbox/trac