newui: search; select collection, like on index page

This change also introduces the "bref:" prefix search,
to search a permanode by blobref (mainly to then
set that permanode as the current collection).

Change-Id: I9a8e6663dc6e6aff599c6740936b770cd5c54b4a
newui: debug page

Change-Id: I9b6cbf007686cc0566dbf3c1d2c14ad3e83749fd
newui: permanode page: show members as blob container

Change-Id: Ifd2a52e6ef97f97b9fb16bc11888be6875faf832
Merge "newui: permanode page: show members as blob container"
Merge "newui: search; select collection, like on index page"
Merge "newui: debug page"
newui: filetree

Change-Id: Ibf8972a57c7253e55bcfcc679d141e933db3fe7b
wip prod with mini

Change-Id: I381d8ddf3a2bbe37e3c4b1c4bf423f16beffaaf4