STFILTER portlet configuration

To make STFILTER portlet work, the following values should be set properly.

1. Replace Google key according to the site url in the following files: allstations.jsp, map.jsp, and NewProject.jsp which are in the installed directory. For example, replace _new_key_ in

   http://maps.google.com/maps?file=api&v=2&key=_new_key_

   You can have new Google key from http://www.google.com/apis/maps/signup.html.
   
2. In ./WEB-INF/faces-config.xml, values should be set as follow:
   -. contextUrl : context manager web service url
   -. contextBasePath : context manager base path
   
3. work.dir value in ./WEB-INF/web.xml should be replaced. Note that this directory should be accessible by using httpd
   
4. Specify SOPAC GPS parameters in ./WEB-INF/classes/sensorgrid.properties.