Fixed links. Removed references to the old blocks
Corrections after review
Merge pull request #770 from bem/corrections-in-i-bem-doc

Fixed links. Removed references to the old blocks
remove inline examples from page documentation
Merge pull request #774 from bem/sipayrt.page

remove inline examples from page documentation
page: fix documentation
Merge pull request #777 from bem/sipayrt.page-fixes

page: fix documentation
clearfix block russian description
clearfix block russian description fix