Reuters: Three of the world’s top solar power companies on Tuesday offered a dour view of the industry as it struggles with a dearth of funding options for new projects that has driven up supplies and sent prices on solar panels falling. Germany’s Q-Cells cut its 2009 sales outlook for the second time since December, Solon SE withdrew its 2009 forecast, and U.S. thin-film company First Solar Inc painted a bleak picture of the industry due to frozen credit markets that are hampering new …