Add SHAs for our downloads
Add SHAs for our downloads

Add a SHA256 hash for the Debian and tarball downloads. Closes #127.

tejasmanohar/rcm,fgandellini/rcm,fgandellini/rcm,Frost/rcm,devm33/rcm,ali/rcm,fgandellini/rcm,ali/rcm,devm33/rcm,zachlatta/rcm,thoughtbot/rcm,Frost/rcm,devm33/rcm,ali/rcm,TheLinuxKitten/rcm,zachlatta/rcm,fgandellini/rcm,thoughtbot/rcm,ali/rcm,tejasmanohar/rcm,tejasmanohar/rcm,zachlatta/rcm,TheLinuxKitten/rcm,TheLinuxKitten/rcm,zachlatta/rcm,devm33/rcm,tejasmanohar/rcm,Frost/rcm,thoughtbot/rcm,Frost/rcm,TheLinuxKitten/rcm