Merge pull request #2233 from mitraj/release-6.6.3.a1

implemented standards tab in prefilter popup
Comments On Off feature implemented and standards tab presenter widget added
Comments On Off feature implemented and standards tab presenter widget added
conflicts resolved
Comments On Off feature implemented and standards tab presenter widget added
Merge pull request #2235 from ssushma/release-6.6.3.a1

comments on off feature implemented + standards preference added in search prefilter
Changes for standards panel implemented for presearch
Changes for standards panel implemented for presearch
Merge pull request #2238 from ssushma/release-6.6.3.a1

changes for standards panel in presearch implemented
Prefilter ui modified.