Update copyright of Firefly III to the GNU Affero General Public License as suggested by @nxxxse in #2607. This applies to all code in this commit from this moment onwards.
Update copyright of Firefly III to the GNU Affero General Public License as suggested by @nxxxse in #2607. This applies to all code in this commit from this moment onwards.

JC5/firefly-iii,firefly-iii/firefly-iii,firefly-iii/firefly-iii,firefly-iii/firefly-iii,firefly-iii/firefly-iii,JC5/firefly-iii