issue #1015: 3DViewer-web

[rperezgonz]

New 3DViewer that uses web technologies and executable as a desktop application with electron. Connects to 3DRecontruction of Academy (extraction request 197) with ICE and the modified interface (# 1122).

To run this tool, following the next steps:

1. Install NodeJS and the package manage (npm):

sudo apt-get install nodejs
sudo apt-get install npm

2. Install Electron, JQuery and js-yaml (read yml files):

npm install electron --save-dev --save-exact
npm install jquery
npm install js-yaml

3. Run:
   npm start

To try this tool, first you must run gzserver reconstruccion3D.world and 3DReconstruction of Academy indicated above.