Update README.md
Added GPLv3 license
Updated to a cool markdown version of the license
Merge branch 'dev'
Update README.md
Update README.md
Update README.md
added dummy keys.xml file
Merge branch 'dev'
Added library shoutout
Merge branch 'dev'
close #72
Update README.md
Merge branch 'dev'
Changed button colour and hardcoded string
Latest release
Merge branch 'master' into dev