WIP nokia.image-processing localmsg server
Log data sent from the client, read the requested file and decode it
Draw the image with the requested size in a canvas and transform the canvas back to a blob
Fail if the aspect value is not what we expected
Create helper function to create "unique" files
Store the new image and send the reply to the client. Fixes #525.
Remove logging statements
Merge pull request #539 from marco-c/nokia_image_processing

Implement nokia.image-processing localmsg server