 Merge branch 'namespace-api-doc' into 'master'
 Merge branch 'namespace-api-doc' into 'master'

Namespace Api Doc

8thcolor/rubyconfau2015-sadr,8thcolor/eurucamp2014-htdsadr,8thcolor/eurucamp2014-htdsadr,8thcolor/rubyconfau2015-sadr,8thcolor/rubyconfau2015-sadr,8thcolor/eurucamp2014-htdsadr