process ids are independent of nprocs()
Fixed loop bug in require()
Changed names to procs() and workers()
Allow setting USE_MKL and MKLLIB in Make.user
Merge pull request #3422 from lindahua/fixed_mkl_make

Allow setting USE_MKL and MKLLIB in Make.user
add wait(Process), returning its exit code
Merge pull request #3394 from amitmurthy/amitm/multi

RFC : process ids are independent of nprocs() and others
Fix redirection operators

Fixes #2259
Fixes #2355
Fixes #3347
small amount of cleanup in multi.jl
update plife example
Merge branch 'master' of github.com:JuliaLang/julia
Fix SubString{UTF8}

* case which led to endof < 0
* out-of-bounds case
Fix replace for UTF8 strings
Fix redirection deprecation warnings
Use `|>` for function piping instead of `|`