Change the data backup directory to be a variable

This is so it can be changed easily. In future, expect that this will go to a proper place on the WRL coastal drive, rather than a temporary working directory.

Makefile

@@ -1,16 +1,16 @@
-
+DATA_BACKUP_DIR = "J:/Coastal/Temp/CKL/nsw_2016_storm_impact/data"
 
 #################################################################################
 # PROJECT RULES                                                                 #
 #################################################################################
 .PHONY: push-data mat_to_csv sites-csv-to-shp
 
-push-data: ##@data Copies data to WRL Coastal J Drive
-	rclone copy ./data/ "J:/Coastal/Temp/CKL/nsw_2016_storm_impact/data" --progress
+push-data: ##@data Copies data from ./data/ to data backup directory
+	rclone copy ./data/ $(DATA_BACKUP_DIR) --exclude "*.las" --progress
 
-pull-data: ##@data Copies data to WRL Coastal J Drive
+pull-data: ##@data Copies data from data backup directory to ./data/
 	# We probably don't want to pull the raw LIDAR .las files, so lets exclude them
-	rclone copy "J:/Coastal/Temp/CKL/nsw_2016_storm_impact/data" ./data/ --exclude "*.las" --progress
+	rclone copy $(DATA_BACKUP_DIR) ./data/ --exclude "*.las" --progress
 
 mat-to-csv: ##@data Converts raw .mat files to .csv for python
 	cd ./src/data/ && python mat_to_csv.py