Merge pull request 'POST form error fix' (#309) from increase_data_upload_memory_size into master

Reviewed-on: SGD-Nord/konova#309

konova/settings.py

@@ -20,6 +20,8 @@ from konova.sub_settings.table_settings import *
 from konova.sub_settings.lanis_settings import *
 from konova.sub_settings.wfs_parcel_settings import *
 
+# Max upload size for POST forms
+DATA_UPLOAD_MAX_MEMORY_SIZE = 5242880
 
 # ALLOWED FILE UPLOAD DEFINITIONS
 # Default: Upload into upper folder of code