[FIX] use dummy blob in pretend mode (RT-2587)
[FIX] rename pretend to debug (RT-2587)
[FIX] rename pretend files to debug  (RT-2587)

rename pretend.js and pretend.jade to
debug.js and debug.jade
[FIX] change links from pretend to debug (RT-2587)

changed link from pretend.jade to debug.jade
and some more name changes
[FIX] improve pretend mode (RT-2587)

deactivate send, exchange, trade, contacts, account, security and advanced pages on debug mode
use rp-combobox
Merge pull request #1773 from darkdarkdragon/develop-RT-2587

Pretend mode: small fixes rt 2587