Removed docs and examples of the vis library

war/lib/vis/docs/css/prettify.css

war/lib/vis/docs/css/style.css

war/lib/vis/docs/dataset.html

war/lib/vis/docs/dataview.html

war/lib/vis/docs/graph2d.html

war/lib/vis/docs/graph3d.html

war/lib/vis/docs/img/graph/graph.png

war/lib/vis/docs/img/graph/graph120x60.png

war/lib/vis/docs/img/graph3d.png

war/lib/vis/docs/img/graph3d120x60.png

war/lib/vis/docs/img/timeline/timeline.png

war/lib/vis/docs/img/timeline/timeline120x60.png

war/lib/vis/docs/img/vis_overview.odg

war/lib/vis/docs/img/vis_overview.png

war/lib/vis/docs/index.html

war/lib/vis/docs/lib/prettify/lang-apollo.js

war/lib/vis/docs/lib/prettify/lang-css.js

war/lib/vis/docs/lib/prettify/lang-hs.js

war/lib/vis/docs/lib/prettify/lang-lisp.js

war/lib/vis/docs/lib/prettify/lang-lua.js