fix some comments
security node_modules/connect: make middleware `stack` private

this prevents to change anything
like next untrusted app module changes secure auth setup of prev. one
app module loader: auth modules interface
config: some touches
cleanup comments and unused code
view.Window: final fix of 'constrain*'; load and use core classes as names not strings
view.Window: l10n dev reload
backend tools: doStopBackend UI, todo backend(nw)
Ext.Error.handle: show raised errors
lib/app: support Ext 4.2.2 docs path
CSS: some stuff