Don't sign PDF commits as zeptodoctor (#20)

Instead, use the [email protected] email, which is consistent with JuliaDocs/Documenter.jl#1388.

Author: mortenpi

pdf/make.jl

@@ -173,8 +173,8 @@ function commit()
         close(iossh)
         chmod(sshconfig, 0o600)
         # Configure git
-        run(`git config user.name "zeptodoctor"`)
-        run(`git config user.email "[email protected].github.com"`)
+        run(`git config user.name "docs.julialang.org"`)
+        run(`git config user.email "documenter@juliadocs.github.io"`)
         run(`git remote set-url origin [email protected]:JuliaLang/docs.julialang.org.git`)
         run(`git config core.sshCommand "ssh -F $(sshconfig)"`)
         # Committing all .pdf files