Revert "Use the temporary telephone number."

This reverts commit 81091b725a12d56b8ecbcebbb7b506c2fde2ce02.
Issue #53: Move the "About story" to blog post.
Merge pull request #54 from Gizra/53

Move the "About story" to blog post
Issue #51: How We Achieve Faster Development and Happier Clients by Opening Our GitHub Issues.
Update 2013-10-31-how-we-use-github-issues.md

fix text
Fix broken page12 and page13 in blog list.
Add Gemlfile.
Add Prose.io to _config.yml
Merge branch 'gh-pages' into 50