Adding a cool down to save Calendar as Image and Fixing typos.#328

dragofiro wants to merge 2 commits intomainMeiH10/RPI-EventHub:mainfrom

310-save-calendar-as-image-has-no-cool-down-and-no-user-feedbackMeiH10/RPI-EventHub:310-save-calendar-as-image-has-no-cool-down-and-no-user-feedbackCopy head branch name to clipboard