Merge pull request #1250 from cmu-delphi/gitignore

Correctly ignore all receiving/*.csv files

Author: krivard

.gitignore

@@ -4,7 +4,7 @@
 params.json
 
 # Do not commit output files
-receiving/*.csv
+**/receiving/*.csv
 
 # Do not commit hidden macOS files
 .DS_Store