remove gratipay link from README
remove gratipay link from README
laszpio/planner,codebar/planner,spike01/planner,spike01/planner,despo/planner,despo/planner,despo/planner,codebar/planner,laszpio/planner,spike01/planner,despo/planner,spike01/planner,codebar/planner,laszpio/planner,codebar/planner,laszpio/planner