[IPOL dev-users] Added support for static content in demos

[Miguel Colom]

Dear all,
today I've added the support to have static files in our demos.

In general, we want all demos to be as simple and as standard as possible.
However, some demos have to absolutely need to use external javascript  
scripts or special images. Normally, only articles which belong to an  
special issue.

In that cases, we saw that the demo editors chose to put the needed  
files in dev.ipol.im and to link them from their demos. But this  
solution is not acceptable, since the external file is absolutely out  
of the control of IPOL and may disappear at any time.

Thus, only when it's absolutely need, now we have the possibility to  
put those files in "template/static" and they can be linked with the  
http://demo.ipol.im/demo/xxx/static/file URL pattern.

For example:
http://demo.ipol.im/demo/74/static/jsc3d.js

Of course, this must NOT be used to enrich the HTML pages or to add  
fancy functionalities to the demos. It's only for very special cases  
for which the demos won't work without.

Best,
Miguel