[Anthill] Anthill root directory

[Tim Colson (tcolson)]

> Being in a war file, Anthill needs to drop a breadcrumb in some known 
> location that will point it towards the its install directory. The 
> approach is to drop a .anthill.<context>.properties file in the home 
> directory of the user it is running as and have the contents of that 
> file point it to the installation directory. 

Suggestion for next AHP version: an init-param in the web.xml that would
over-ride the file-based setting. This would make it easy to modify the
web.xml/war to point to the AHP home directory without attempting to
write a hidden file somewhere that might not be writeable. ;-)

Cheers,
Timo