Add missing item to expmap (backtrace)
Remove profile.jl from extras (move to package)
make iceil et. al return Int everywhere. fixes #1966
export.jl: sort stats functions.
quantile: handle NaNs by raising an error [#1142].

Also raise errors when the data array or quantile array is empty.
Added percentile function, but I'm not quite sure about this way
of defining it since I would expect 100 points.
use touch -c, fix arpack target, add git submodule init --quiet
exports.jl: format signal processing exports one-per-line.
remove duplicate jl_{write,printf,vprintf} prototypes
add const qual to jl_write
fix ptr_arg_convert with Ptr{Void}. fixes #1975.
speed up spawn test
Remove mention of randbit, and update examples to use randbool
disable patchelf check; it's broken when CC != gcc
Add method for Ac_mat_B(Matrix,Vector)
Fix a cut-and-paste error
deprecate: load => require.
Merge pull request #1979 from andreasnoackjensen/acmulb

Add method for Ac_mat_B(Matrix,Vector)
@vectorize_[12]arg: tersify the code for didactic purposes.
repair edit() and less()
Merge branch 'master' of github.com:JuliaLang/julia