add comment to, clean up code around timestampDedupLength
code clean-up around CDXServer.
fix indent, remove trailing spaces, fold lines.
add collapseTime parameter to WaybackRequest, queryCollapseTime to AccessPoint. pass queryCollapseTime to EmbeddedCDXServerIndex via WaybackRequest for query UI.
addresses ARI-3883.
BUGFIX: pass through queryCollapseTime to sub AccessPoints
BUGFIX: read queryCollapseTime through getter to support CompositeAccessPoint.
Merge branch 'ARI-3883'