Remove defunct link.
readdlm tests do not depend on perf files anymore
Merge pull request #8398 from tanmaykm/readcsv

readdlm tests do not depend on perf files anymore
additional zeros and ones usages added to manual
added undocumented ones and zeros usage to stdlib
Merge branch 'davidssmith-manual'
Merge branch 'master' of github.com:JuliaLang/julia
Change backslash to forwardslash: Unix file path
Merge pull request #8371 from danluu/fb_link

Remove defunct link