Merge pull request #77 from pshatara/master

Updated input fields
Merge pull request #78 from pshatara/master

Opacity updated using sliders
(feat) added new demo page
Merge pull request #79 from Morgantheplant/feat/windowframe

(feat) added new demo page
image refresh
Merge pull request #80 from alezucco/master

(feat)image refresh
Updated db path in server