CYKLO-994 remove query parameters from JS links
LEDGE-249: allow querying current host overide in LinkTool subclasses
LEDGE-249: allow subclasses to query if the current link is requested to
be absolute
LEDGE-249: PageTool facility for setting canonical link
Merge branch 'dev' for release 1.0.19.4
release 1.0.19.4