update appcast
update appcast

andrew-polk/BloomDesktop,JohnThomson/BloomDesktop,BloomBooks/BloomDesktop,JohnThomson/BloomDesktop,JohnThomson/BloomDesktop,StephenMcConnel/BloomDesktop,StephenMcConnel/BloomDesktop,gmartin7/myBloomFork,andrew-polk/BloomDesktop,BloomBooks/BloomDesktop,BloomBooks/BloomDesktop,gmartin7/myBloomFork,andrew-polk/BloomDesktop,StephenMcConnel/BloomDesktop,StephenMcConnel/BloomDesktop,BloomBooks/BloomDesktop,gmartin7/myBloomFork,andrew-polk/BloomDesktop,gmartin7/myBloomFork,andrew-polk/BloomDesktop,BloomBooks/BloomDesktop,JohnThomson/BloomDesktop,StephenMcConnel/BloomDesktop,JohnThomson/BloomDesktop,BloomBooks/BloomDesktop,gmartin7/myBloomFork,andrew-polk/BloomDesktop,StephenMcConnel/BloomDesktop,gmartin7/myBloomFork