Change shebang from /usr/bin/python to /usr/bin/env python

Resolves #99

wifite/tools/aircrack.py

@@ -1,4 +1,4 @@
-#!/usr/bin/python2.7
+#!/usr/bin/env python
 # -*- coding: utf-8 -*-
 
 from .dependency import Dependency

wifite/tools/aireplay.py

@@ -1,4 +1,4 @@
-#!/usr/bin/python2.7
+#!/usr/bin/env python
 # -*- coding: utf-8 -*-
 
 from .dependency import Dependency

wifite/tools/airmon.py

@@ -1,4 +1,4 @@
-#!/usr/bin/python2.7
+#!/usr/bin/env python
 # -*- coding: utf-8 -*-
 
 from .dependency import Dependency

wifite/tools/airodump.py

@@ -1,4 +1,4 @@
-#!/usr/bin/python2.7
+#!/usr/bin/env python
 # -*- coding: utf-8 -*-
 
 from .dependency import Dependency

wifite/tools/bully.py

@@ -1,4 +1,4 @@
-#!/usr/bin/python2.7
+#!/usr/bin/env python
 # -*- coding: utf-8 -*-
 
 from .dependency import Dependency

wifite/tools/dependency.py

@@ -1,4 +1,4 @@
-#!/usr/bin/python2.7
+#!/usr/bin/env python
 # -*- coding: utf-8 -*-
 
 class Dependency(object):

wifite/tools/ifconfig.py

@@ -1,4 +1,4 @@
-#!/usr/bin/python2.7
+#!/usr/bin/env python
 # -*- coding: utf-8 -*-
 
 import re

wifite/tools/iwconfig.py

@@ -1,4 +1,4 @@
-#!/usr/bin/python2.7
+#!/usr/bin/env python
 # -*- coding: utf-8 -*-
 
 from .dependency import Dependency

wifite/tools/macchanger.py

@@ -1,4 +1,4 @@
-#!/usr/bin/python2.7
+#!/usr/bin/env python
 # -*- coding: utf-8 -*-
 
 from .dependency import Dependency

wifite/tools/pyrit.py

@@ -1,4 +1,4 @@
-#!/usr/bin/python2.7
+#!/usr/bin/env python
 # -*- coding: utf-8 -*-
 
 from .dependency import Dependency

wifite/tools/reaver.py

@@ -1,4 +1,4 @@
-#!/usr/bin/python2.7
+#!/usr/bin/env python
 # -*- coding: utf-8 -*-
 
 from .dependency import Dependency

wifite/tools/tshark.py

@@ -1,4 +1,4 @@
-#!/usr/bin/python2.7
+#!/usr/bin/env python
 # -*- coding: utf-8 -*-
 
 from .dependency import Dependency

wifite/tools/wash.py

@@ -1,4 +1,4 @@
-#!/usr/bin/python2.7
+#!/usr/bin/env python
 # -*- coding: utf-8 -*-
 
 from .dependency import Dependency