Added the CUSTOM_FOOTER_TEXT and CUSTOM_FOOTER_URL environment variables.
If undefined, the default translated footer will display.
If only CUSTOM_FOOTER_TEXT is defined, only this defined text will display in place of the normal footer text.
If only CUSTOM_FOOTER_URL is defined then the defined URL will display.
If both variables are defined, the defined text will display as a link to the defined URL.
HrBingR
Marian Hähnlein
timvisee
Danny Coates