base/bool.jl: `-0.0 + false === -0.0`.
Added c_calloc and c_realloc and updated docs accordingly.
Merge pull request #5518 from iamed2/master

Added c_calloc and c_realloc and updated docs accordingly.
Pass AR explicitly to utf8prof
Workaround cross-compilers fussiness regarding constant initializers.

Closes #5505
add optional argument to errno() for setting it, and update docs. fixes #5514
Merge branch 'master' of github.com:JuliaLang/julia

Conflicts:
	doc/stdlib/base.rst
Added reference to Pkg.free in Pkg.checkout and Pkg.pin
Merge pull request #5520 from ivarne/Pkg_doc

Added reference to Pkg.free in Pkg.checkout and Pkg.pin
NEWS for errno
Fix #5522 - Mention how to uninstall packages in README.md.
Merge branch 'master' of github.com:JuliaLang/julia
Add balancing options for eigenvector calculations
Take git info out of BUILD_INFO, prepare for tarball export
Added source-dist make target

source-dist is a make target for creating a standalone tarball that can
be compilled on a system with the requisit external dependencies without
internet access to download the internal dependencies.
Changed BUILD_INFO to GIT_VERSION_INFO in methodsshow
Fix generic == for (Sym)Tridiagonal
fix mapslices for matrices of other types than numbers.
	modified:   base/abstractarray.jl
more tests for mapslices
	modified:   test/arrayops.jl
Fix/create getindex for (Sym)Tridiagonal