Added Readme

Merge branch 'master' of https://digiproofs.visualstudio.com/_git/UploadExpress

Point at live server (u.digiproofs.com).

Pointed the default server at u.digiproofs.com instead of cdev.digiproofs.com

Fixes to Installer.

Robustness and cosmetic changes.

Make sure installer works?

Further tweaks.

Some 'lint' changes. Worked with certificates to make sure we could hit our development/test servers

Cleaned up About Dialog.

Added ImageProcess to scale/compress the image.

Cleaned up account login logic

Removed delegates from Upload.cs. They are no longer needed.

Upload is now working (without scaling/compression)

Moved RefreshUploadSets from Accounts.cs to UploadExpress.cs