General refactors to improve screenshot service
Update depencies to latest versions
Add log line for each screenshot generated
Apply ceilings to width and height of image
Have the host to bind the server to be configurable
Add the express.logger middleware back in
feturn response(500) as its more idiomatic
Get allowed screenshot domains from config
Utilize a content-disposition header to prompt the user to download the image in a browser
Make the max number of concurrent PhantomJS processes configurable
Gracefully shut down PhantomJS on page load error + handle various SSL protocols
inject code into the transparency DOM that fires an event back out to Phantom when charts have rendered
Merge pull request #1 from lorenabrams/master

General refactors to improve screenshot service