redis vc: update separator view color
add command view controller
redis vc: add segue connection to detail button
command vc: add title image view
add back button image
command vc: add back button
command vc: add console button
command vc: add web view
add command view controller class
storyboard: assign command vc to class
command vc: connect web view to class
command vc: add back button action

implement popViewController
redis vc: set segue identifier and prepareToSegue
command vc: add cmd and htmlDoc properties
redis vc: implement prepar to segue method
command vc: add setter for properties
command vc: implement doc html web view
cosmetic changes