Merge pull request #4 from trontrytel/master

pull me too
nvcc compat fixes
moving arrinfo into a separate file
out_wet and out_dry in options
adding length to fake units
cuda-compat
fixing advection
fixing copying of Arakawa-C velocities
foxing field definition order
adding an assert
Merge branch 'master' of github.com:slayoo/libcloudphxx
adding a note on initial concentration
wip on blk_2m cond_evap works
Merge branch 'master' of github.com:trontrytel/libcloudphxx