- proxy in status report

#756916: mapclient proxy problem; the mapclient proxy page validates the proxy (file permissions, get path, check localhost, show settings)

- update script writes xml files for existing map context nodes

- pass most http headers to target
- restrict permitted content types of response
- option to restrict permitted target hosts

- use standard gpx format from openlayers

- scaleline unit in admin page

- openlayers 2.8
- buttons for navigation mode/measure/info
etc.

- set hosted timeline api

- openlayers mapclient module has been renamed to mappingkit_openlayers to prevent a conflict with the separate openlayers module

#422874 - The temporary directory of this site is not accessible
- timeline support added
- unique value renderer for wfs layers

- added scope to drupal_add_js for maplayer module

detect baselayers in context (fix for local javascript includes); see http://aardbodem.nl/mantis/view.php?id=38

- more layers in save of mapcontext
- include only needed openlayers javascript files (in case of local openlayers source files)