fix cmd "pixlr" missing custom data return from pixlr.com
simply last commit (@25fe5c9a0d)
Merge branch '2.x' into 2.x_n
[Driver.Dropbox] fix missing customData when return from dropbox.com
Merge branch 'dropbox' into 2.x_n
Merge branch '2.x' into 2.x_n
fix netunmout do not refresh sometime
fix netmount volume insertion (do append)
add a root option 'icon' for volume root icon (value is icon URL)
Merge branch '2.x' into 2.x_n
Merge branch 'volume_icon' into 2.x_n

Conflicts:
	js/ui/tree.js
Merge branch '2.x' into 2.1
Merge branch '2.1' into 2.1_n
Merge branch '2.x_n' into 2.1_n