Test sha512sum
Merge pull request #6853 from JuliaLang/sf/depschecksum

Add sha512sum to jlchecksum
Advertise parser error reporting improvements in NEWS.md
Improve printing of try block expressions

Previously, try blocks didn't quite show their catch statements correctly, and they completely failed to display nicely when a finally block was included:

    julia> :(try; do_try() catch end)
    :(try  # line 1:
            do_try()
        end)

    julia> :(try; do_try() catch do_catch() end)
    :(try  # line 1:
            do_try()
        catch false
            do_catch()
        end)

    julia> :(try; do_try() finally do_final() end)
    :($(Expr(:try, :(begin  # line 1:
            do_try()
        end), false, false, :(begin  # line 1:
            do_final()
        end))))

With this patch, they display correctly and look much more like the written syntax:

    julia> :(try; do_try() catch end)
    :(try  # line 1:
            do_try()
        catch
        end)

    julia> :(try; do_try() catch do_catch() end)
    :(try  # line 1:
            do_try()
        catch
            do_catch()
        end)

    julia> :(try; do_try() finally do_final() end)
    :(try  # line 1:
            do_try()
        finally  # line 1:
            do_final()
        end)
add list of mathematical symbols to allow as identifiers
Merge pull request #6857 from mbauman/better-try-expr-show

Improve printing of try block expressions
Fix type-stability issue in example life_rule.
Merge pull request #6858 from ArchRobison/adr/lifedoc

Fix type-stability issue in example life_rule.
In latest llvm SVN, the "useCFI" arguement was removed from createAsmStreamer()
enumerate(x) documentation update

Added example and added "plain english" explanation of when the function is useful
Merge pull request #6861 from JuliaLang/kms/llvm-3.5-update

In latest llvm SVN, the "useCFI" arguement was removed from createAsmStreamer()
fix #6808 and #6854

when tests are run on a single core, the RNG ends up with sprb45 having 16 nonzeros
Fix edit() when editor is Sublime with arguments

Example: EDITOR="sublime --wait"
Minor revisions on LinAlg docs 

Formated a few examples, added some returned values, etc
Merge pull request #6862 from brk00/patch-2

enumerate(x) documentation update
Merge pull request #6865 from jayschwa/fix-sublime-with-args

Fix edit() when editor is Sublime with arguments
Merge pull request #6867 from brk00/patch-4

Minor revisions on LinAlg docs
Merge pull request #6863 from tkelman/patch-4

fix #6808 and #6854
doc spelling: witch => which
Merge branch 'master' of github.com:JuliaLang/julia