changed shebangs for perl to /usr/bin/env

scripts/basic_plot.pl

@@ -1,4 +1,5 @@
-#!/usr/local/bin/perl
+#!/usr/bin/env perl
+
 
 use feature 'say';
 #use autodie qw(:all);

scripts/create_tables.pl

@@ -1,4 +1,5 @@
-#!/usr/local/bin/perl
+#!/usr/bin/env perl
+
 
 use utf8;
 use Encode qw(encode decode);

scripts/heasoft_to_psdlag.pl

@@ -1,4 +1,5 @@
-#!/usr/local/bin/perl
+#!/usr/bin/env perl
+
 use feature say;
 use utf8;
 

scripts/lc_plot.pl

@@ -1,4 +1,5 @@
-#!/usr/local/bin/perl
+#!/usr/bin/env perl
+
 
 use utf8;
 use Encode qw(encode decode);