Updated shebangs to be more portable

UD_any/data/getRawText.py

-#! /usr/bin/python3
+#! /usr/bin/env python3
 
 import sys
 import os

UD_any/data/getTransitionSets.py

-#! /usr/bin/python3
+#! /usr/bin/env python3
 
 import sys
 

UD_any/evaluate.sh

-#! /bin/bash
+#! /usr/bin/env bash
 
 function has_space {
   [[ "$1" != "${1%[[:space:]]*}" ]] && return 0 || return 1

UD_any/launchBatches.py

-#! /usr/bin/python3
+#! /usr/bin/env python3
 
 import sys
 import os

UD_any/prepareExperiment.sh

-#! /bin/bash
+#! /usr/bin/env bash
 
 source config
 

UD_any/print_results.py

-#! /usr/bin/python3
+#! /usr/bin/env python3
 
 import glob
 import sys

UD_any/train.sh

-#! /bin/bash
+#! /usr/bin/env bash
 
 function has_space {
   [[ "$1" != "${1%[[:space:]]*}" ]] && return 0 || return 1