added comment about previewing your blog

Signed-off-by: Dominik Richter <dominik.richter@gmail.com>
reordered to make sure users are working from src/ folder

Signed-off-by: Dominik Richter <dominik.richter@gmail.com>
added google site verification code

Signed-off-by: Dominik Richter <dominik.richter@gmail.com>