Include julia/usr/bin in PATH so that Pkg can find git.
Some other updates for packaging julia on mac.
fftw tweak: use >>1 to divide integers by 2 and round down, not ifloor
Merge pull request #2424 from stevengj/fftw_tweak

fftw tweak: use >>1 to divide integers by 2 and round down, not ifloor
Fix typo in symv!
Merge pull request #2425 from to-mi/master

Fix typo in symv! in blas.jl
classify object allocations as pure if their arguments are
Merge branch 'master' of github.com:JuliaLang/julia
Merge branch 'master' of github.com:JuliaLang/julia
add size(::Number, d)
Fixes imwrite, and imshow now works on OS X
Merge branch 'master' of github.com:JuliaLang/julia
Merge branch 'master' of github.com:JuliaLang/julia
make sysimg build faster (almost 2x) using more efficient Expr constructor
Merge pull request #2432 from rsrock/master

Fixes to imwrite and imshow
Updated package listing: Now with 100 packages
Merge pull request #2436 from aviks/topic/pkglist

Updated package listing: Now with 100 packages
adding a couple more jlapi functions
export jl_unbox_voidpointer
try rooting arguments to jl_call1 for extra robustness
set up LOAD_PATH as part of jl_init