pkg resolve: tighten return type, use sortby instead of Sort.By
pkg2: hook new query infrastructure up to old resolve mechanism.
Merge branch 'master' of github.com:JuliaLang/julia
pkg2: expose ability to add and rm package requirements.

This should ultimately also call resolve and provide transactions.
fix #3293, do block inside function argument
document isdefined() (#3297)
fix memory bug in gc. probably fixes #3131
pkg2: move from extras/ into base/ [#2422]
pkg2: update_file -- always delete tempfile after creating it.
pkg2: refactor adapter code for Pkg 1 resolve logic into submodule.
Merge branch 'master' of github.com:JuliaLang/julia
doc: fix epub/htmlzip links

Closes JuliaLang/JuliaDoc#1
Wrap xgelsy and change default least square solver from xgelsd to xgelsy.
Merge pull request #3298 from JuliaLang/anj/gelsy

Wrap xgelsy and change default least square solver from xgelsd to xgelsy
fix memory bug: gc rooting in some ccall Any arguments
Merge branch 'master' of github.com:JuliaLang/julia
Updated README.windows.md to include Arch Linux cross-compilation
remove operators: <- &> &>> &< &<<
add operators: <| |>
closes #3270
base/int.jl: convert to u/int only for arithmetic with small ints.

The old definitions could be dangerously broken if they were used
for larger integer types -- even Int64/Uint64 on 32-bit systems.
Merge branch 'master' of github.com:JuliaLang/julia