Merge pull request #210 from jedwards4b/force_py3

change all shebangs to explicitly use python3

cime_config/buildexe

@@ -1,4 +1,4 @@
-#!/usr/bin/env python
+#!/usr/bin/env python3
 
 """
 build model executable

cime_config/buildnml

@@ -1,4 +1,4 @@
-#!/usr/bin/env python
+#!/usr/bin/env python3
 """Namelist creator for CIME's driver.
 """
 import os, sys

cime_config/runseq/driver_config.py

@@ -1,4 +1,4 @@
-#!/usr/bin/env python
+#!/usr/bin/env python3
 
 # Inherit from the dictionary class
 class DriverConfig(dict):

cime_config/runseq/gen_runseq.py

@@ -1,4 +1,4 @@
-#!/usr/bin/env python
+#!/usr/bin/env python3
 
 class RunSeq:
     def __init__(self, outfile):

cime_config/runseq/runseq_D.py

@@ -1,4 +1,4 @@
-#!/usr/bin/env python
+#!/usr/bin/env python3
 
 import os, shutil, sys
 from CIME.utils import expect

cime_config/runseq/runseq_TG.py

@@ -1,4 +1,4 @@
-#!/usr/bin/env python
+#!/usr/bin/env python3
 
 import os, shutil, sys
 from CIME.utils import expect

cime_config/runseq/runseq_general.py

@@ -1,4 +1,4 @@
-#!/usr/bin/env python
+#!/usr/bin/env python3
 
 import os, shutil, sys
 from CIME.utils import expect