Merged changes from 3.14 branch

Up to revno 12404.

src/ca/client/perl/caget.pl

@@ -1,4 +1,4 @@
-#!/usr/bin/perl
+#!/usr/bin/env perl
 
 use strict;
 

src/ca/client/perl/cainfo.pl

@@ -1,4 +1,4 @@
-#!/usr/bin/perl
+#!/usr/bin/env perl
 
 use strict;
 

src/ca/client/perl/camonitor.pl

@@ -1,4 +1,4 @@
-#!/usr/bin/perl
+#!/usr/bin/env perl
 
 use strict;
 

src/ca/client/perl/capr.pl

@@ -1,4 +1,4 @@
-#!/usr/bin/perl -w
+#!/usr/bin/env perl
 
 #######################################################################
 #

src/ca/client/perl/caput.pl

@@ -1,4 +1,4 @@
-#!/usr/bin/perl
+#!/usr/bin/env perl
 
 use strict;
 

src/ca/client/perl/perlConfig.pl

@@ -1,4 +1,4 @@
-#!/usr/bin/perl
+#!/usr/bin/env perl
 
 # This script is used to extract information about the Perl build
 # configuration, so the EPICS build system uses the same settings.