Endangered: Hannah Patchett and others have been living in the Toolangi tree house to raise awareness about the threat of logging to the Leadbeater’s possum. Photo: Simon Schluter Conservationists have been ordered to rip down a tree house in a state forest north-east of Melbourne that was built to highlight the plight of Victoria’s faunal emblem. Mansfield Magistrates’ Court ruled on Wednesday that the bright red tree house, built last year to protest against…