Squashed 'dbs/hubedit/' content from commit 6855e6c

git-subtree-dir: dbs/hubedit
git-subtree-split: 6855e6cdb6be61f1f4aca2de418cf7c477290b92
merge existing hubedit database from SVN
Squashed 'www/hubedit/' content from commit 269e1fd

git-subtree-dir: www/hubedit
git-subtree-split: 269e1fd85ca7d3fb6ae6d36681e5db65c219bd9a
merge existing hubedit web apps from SVN
create `apps.editor` sub-package
use server.unregister_databaseConfig for uninstall
replace Editor config with template, filled at install time
create directory for Editor stores
fix paths etc in hubedit run script
add wrapped Editor admin to demo server
fixup! replace Editor config with template, filled at install time
consolidate user storage
update admin app for Cheshire3 and joint auth stores
fix Editor image locations
fix Editor JavaScript location
do not send incorrect admin Content-Length
minor HTML and JS code style adjustments
PEP8 fixes for hubEditingHandler
updated HubEditingHandler imports and paths
update hubEditingHandler for consolidated user stores

To conform wiht changes made in 61f97ad