Change the name of save button show where to move file.

Now on change of the selection, button text will change to indicate where file will be moved.

Give permission button or button to add new folder will not disappear once pressed, used can add or remove folder anytime he wishes.
Changed name of the button on interface
Logging tree formation undefined error for debug
Now only first time its required to press Give Permission

Now we get the available metdata's from background using getFileSystems.
No need for user action every time.
On give Permission,extra nodes were added (force)

When Give Permission was clicked, it was adding nodes into global variables
so was adding same visualization again when we were pressing it.
We reinitialize the global variable
Fixed Give permission not initiating rescan(properly)

index of Give Permission was at higher number due to intial scan and when we
rinitiate scan that was causing issue. Setting index of fs=0 before  initiating rescan.
global seprator changes for window
manifest changes for pusing to chrome store
Global seprater changes & not moved notifications.

Windows files have back slash , so gloabla seprator is used after detecting OS type.
Notification and reason are shown for not moved files. So better communication to user.