fix links
Merge branch 'master' of github.com:jeffknupp/blog
Merge branch 'master' of github.com:jeffknupp/blog
Merge branch 'master' of github.com:jeffknupp/blog
Merge branch 'master' of github.com:jeffknupp/blog
Merge branch 'master' of github.com:jeffknupp/blog
Merge branch 'master' of github.com:jeffknupp/blog
Merge branch 'master' of github.com:jeffknupp/blog
Merge branch 'master' of github.com:jeffknupp/blog
Merge branch 'master' of github.com:jeffknupp/blog
Merge branch 'master' of github.com:jeffknupp/blog
corrections