Handle normalization of EOL in 0.5
Handle normalization of EOL in 0.5

Fixes tests on 0.5 master by normalizing both sides.  In 0.4 the two
files read in with \n and \r\n, whereas they both are read in normalized
to \n on 0.4.

JuliaStats/DataFrames.jl,JuliaPackageMirrors/DataFrames.jl,campanja-forks/DataFrames.jl