Merge pull request #2 from bcuz/master

Grammar/Typo re-up
Update 2013-08-04-consuming-services.markdown

Grammar Fix
Merge pull request #3 from aozkan/master

Update 2013-08-04-consuming-services.markdown
typo fixed
Merge pull request #4 from Gavruk/typo-fix

typo fixed
Add hg-app directive in every example to facilitate the copy & paste
Add follow button
New article about data-binding
Update 2013-08-06-watch-how-the-apply-runs-a-digest.markdown
Little fix
Minor grammar fix