He’s been up in the air and hung with young adults but Jason Reitman has never gotten animated – until now. The Oscar-nominated director is both writing and directing an adaptation of the book The Adventures Of Beekle: The Unimaginery Friend for DreamWorks Animation. This is also the first project to be put into development by DWA’s recently appointed Co-Presidents of Feature Animation Bonnie Arnold and Mireille Soria following the restructuring and resulting layoffs…