* 0vars.cmake, FindSIP: Update to save new sip_module_dir variable
sip4 has changed sip_mod_dir to sip_module_dir.
Store the variable for later usage
* Use only new MODULE_DIR sip variable
* Instanciate QgsServerInterface even if HAVE_SERVER_PYTHON_PLUGINS is
not defined
* Pass QgsServerInterface in module registration methods.
* Add QgsServer initialisation test
#Please enter the commit message for your changes. Lines starting
* move src/mapserver to src/server (IMHO better name and in sync with
python/server)
* rename cmake option WITH_MAPSERVER to WITH_SERVER
* rename define MAPSERVER_HAVE_PYTHON_PLUGINS to HAVE_SERVER_PYTHON_PLUGINS
