Removing .info.yml files from steps 2 - 5
Comments added to Block class step 5
Teeny tiny grammar changes.
Fixed phpdocs, added @param statements
Merge branch 'master' into dtd3

* master:
  Fixed phpdocs, added @param statements
  Teeny tiny grammar changes.
  Comments added to Block class step 5
  Removing .info.yml files from steps 2 - 5