Post uikit-dynamics-catalog Custom Dynamic Item for code review

- there appears to be a bug that occurs with line 52 of
app/controllers/custom_dynamic_item_view_controller.rb
Final edit to remove attr_accessors

Changes done to comply with trouble ticket resolution https://hipbyte.freshdesk.com/support/tickets/1693
Removed puts and blank lines.
Merge pull request #19 from dennismajor1/custom_dynamic

Post uikit-dynamics-catalog Custom Dynamic Item for code review