Merge pull request #609 from dburdick/swc-908

Swc 908
Small portal fixes: swc-903, swc-896, swc-914, swc-468, swc-916, swc-924, swc-925, swc-926, swc-930
Merge pull request #611 from dburdick/swc-908

Small portal fixes: swc-903, swc-896, swc-914, swc-468, swc-916, swc-924...
Merge pull request #612 from dburdick/swc-908

Small portal fixes: swc-903, swc-896, swc-914, swc-468, swc-916, swc-924...
SWC-910: do not initialize the preview suffix during object construction as it may be wrong.  change window title from Preview Description to Preview
Merge pull request #613 from jay-hodgson/SWC-910

SWC-910: do not initialize the preview suffix during object construction...
Merge branch 'release-16' into develop
adaptive height columns css
swc-915 - show wiki tab when clicked on
swc-922 state saving between tabs
SYNR-561: link to the updated R API docs
Merge pull request #617 from jay-hodgson/SYNR-561

SYNR-561: link to the updated R API docs
register global window close handler to ask for confirmation when navigating away
swc-958 - move description on folder/file
swc-898 - breadcrumbs and also clicking on files tab to take you back to files root
code review changes
undo ignore
SWC-957: warn on navigating away from Synapse, as well as if the place changes and we know that we are in edit mode in some Activity
swc-934 - preview overflow
from code review