Add default BASE_HREF.

scripts/custom.config.sh

 
 export SITE_URL="${SITE_URL_PREFIX}geomag${SITE_URL_SUFFIX}";
+export BASE_HREF=${BASE_HREF:-ws};
 export SERVICE_MAP=(
   "/${BASE_HREF}":'web'
 );
 # Algorithms Environment Variables
-export DATA_HOST=${DATA_HOST:-cwbpub.cr.usgs.gov}
-export DATA_PORT=${DATA_PORT:-2060}
-export DATA_TYPE=${DATA_TYPE:-edge}
-
+export DATA_HOST=${DATA_HOST:-cwbpub.cr.usgs.gov};
+export DATA_PORT=${DATA_PORT:-2060};
+export DATA_TYPE=${DATA_TYPE:-edge};