SF build: Move editing step to before chmod step
SF build: Move editing step to before chmod step

It seems that editing files is resetting their permissions, in
particular the +x permission bit on the use*Config.sh scripts. Moving
the editing of those files to *before* the chmod step should take care
of that problem.

UpstatePedro/web-languageforge,sil-student-projects/web-languageforge,sillsdev/web-scriptureforge,sil-student-projects/web-languageforge,sil-student-projects/web-languageforge,sillsdev/web-scriptureforge,sillsdev/web-scriptureforge,sil-student-projects/web-scriptureforge,ermshiperete/web-languageforge,sillsdev/web-scriptureforge,UpstatePedro/web-languageforge,UpstatePedro/web-languageforge,sillsdev/web-cat,sil-student-projects/web-languageforge,sil-student-projects/web-languageforge,ermshiperete/web-languageforge,sil-jterm-2015/sfwebchecks,ermshiperete/web-languageforge,sil-student-projects/web-scriptureforge,sillsdev/web-scriptureforge,sil-jterm-2015/sfwebchecks,sil-student-projects/web-scriptureforge,sillsdev/web-cat,sil-jterm-2015/sfwebchecks,ermshiperete/web-languageforge,ermshiperete/web-languageforge,sil-student-projects/web-scriptureforge,sil-student-projects/web-languageforge,sillsdev/web-cat,UpstatePedro/web-languageforge,sil-jterm-2015/sfwebchecks,sil-jterm-2015/sfwebchecks,sillsdev/web-cat,sil-student-projects/web-scriptureforge,sillsdev/web-scriptureforge,sillsdev/web-cat,sillsdev/web-cat,ermshiperete/web-languageforge,sil-jterm-2015/sfwebchecks,ermshiperete/web-languageforge,UpstatePedro/web-languageforge,sil-student-projects/web-scriptureforge,sillsdev/web-cat,UpstatePedro/web-languageforge,sillsdev/web-scriptureforge,sillsdev/web-cat,sillsdev/web-scriptureforge,sil-student-projects/web-scriptureforge,ermshiperete/web-languageforge,UpstatePedro/web-languageforge,sil-student-projects/web-languageforge,sil-student-projects/web-languageforge