 Merge branch 'indicate-it-is-a-filter' into 'master'
 Merge branch 'indicate-it-is-a-filter' into 'master'

Indicate it is a filter

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