Improve JS/CSS compilation. - Move config files to project root. - Output only one JS file & one CSS file containing all assets. - Stop copying Bootstrap assets by hand. - Introduce Sass for stylesheets. - Configure Webpack dev server for page reload. - Move all JS to the bottom of the page in layout.

.diff-viewer-wrapper {margin-top: 5px;}
.diff-panel {border: 1px solid gray; width: 300px; heigth: 250px;}

del { text-decoration: none;	color: #b30000;	background: #fadad7;}

ins {	background: #eaf2c2; color: #406619; text-decoration: none; }