Include julia/usr/bin in PATH so that Pkg can find git.
Some other updates for packaging julia on mac.
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
init more stuff in jl_init