Manual installation with nginx on ubuntu 14.04 lts

Thanks for your help Drew,

Below are the results of ls -la /opt/cedf2/

While nginx access.log is thus;
127.0.0.1 - - [09/May/2016:16:04:48 +0100] “GET / HTTP/1.1” 302 436 “-” “Mozilla/5.0 (X11; Ubuntu; Linux x86_64; rv:43.0) Gecko/20100101 Firefox/43.0”
127.0.0.1 - - [09/May/2016:16:04:48 +0100] “GET /dreamfactory/dist/index.html HTTP/1.1” 304 0 “-” “Mozilla/5.0 (X11; Ubuntu; Linux x86_64; rv:43.0) Gecko/20100101 Firefox/43.0”
127.0.0.1 - - [09/May/2016:16:04:48 +0100] “GET /dreamfactory/dist/styles/styles.07300592.css HTTP/1.1” 304 0 “http://localhost/dreamfactory/dist/index.html” “Mozilla/5.0 (X11; Ubuntu; Linux x86_64; rv:43.0) Gecko/20100101 Firefox/43.0”
127.0.0.1 - - [09/May/2016:16:04:49 +0100] “GET /dreamfactory/dist/scripts/vendor.8baef916.js HTTP/1.1” 304 0 “http://localhost/dreamfactory/dist/index.html” “Mozilla/5.0 (X11; Ubuntu; Linux x86_64; rv:43.0) Gecko/20100101 Firefox/43.0”
127.0.0.1 - - [09/May/2016:16:04:49 +0100] “GET /dreamfactory/dist/vendor/ace/mode-javascript.js HTTP/1.1” 304 0 “http://localhost/dreamfactory/dist/index.html” “Mozilla/5.0 (X11; Ubuntu; Linux x86_64; rv:43.0) Gecko/20100101 Firefox/43.0”
127.0.0.1 - - [09/May/2016:16:04:49 +0100] “GET /dreamfactory/dist/vendor/ace/ace.js HTTP/1.1” 304 0 “http://localhost/dreamfactory/dist/index.html” “Mozilla/5.0 (X11; Ubuntu; Linux x86_64; rv:43.0) Gecko/20100101 Firefox/43.0”
127.0.0.1 - - [09/May/2016:16:04:49 +0100] “GET /dreamfactory/dist/scripts/app.ee90cd63.js HTTP/1.1” 304 0 “http://localhost/dreamfactory/dist/index.html” “Mozilla/5.0 (X11; Ubuntu; Linux x86_64; rv:43.0) Gecko/20100101 Firefox/43.0”
127.0.0.1 - - [09/May/2016:16:05:29 +0100] “GET /api/v2/system/environment HTTP/1.1” 404 162 “http://localhost/dreamfactory/dist/index.html” “Mozilla/5.0 (X11; Ubuntu; Linux x86_64; rv:43.0) Gecko/20100101 Firefox/43.0”
127.0.0.1 - - [09/May/2016:16:05:29 +0100] “GET /favicon.ico HTTP/1.1” 200 6214 “-” “Mozilla/5.0 (X11; Ubuntu; Linux x86_64; rv:43.0) Gecko/20100101 Firefox/43.0”

Browse web console still shows;

I shall appreciate input from other administratrs or any one who has had a similar issue before.

Thanks.