Fixed improper python shebang

src/backend/pyShelf_MakeCollections.py

@@ -1,4 +1,4 @@
-#!/usr/bin/python
+#!/usr/bin/env python
 import os
 import sys
 import time
@@ -16,7 +16,7 @@ def MakeCollections(root):
     config = Config(root)  # Get configuration settings
     # InitFiles(config.file_array)  # Initialize file system
     _storage = Storage(config)
-    _storage.make_collections() 
+    _storage.make_collections()
     _t2 = time.time()
     scan_time = round(_t2 - _t1)
     print("Collections Made.")