remove cache

* remove cache, cache setup is not easy, todays servers do not really
* need it anymore
* add prototypes and fix parameter issues
* suppress redefinition

website/agenda/cal.cgi

@@ -1,8 +1,8 @@
-#! /usr/bin/perl -w
+#!/usr/bin/perl
 
-#use utf8;
-use warnings "all";
 use strict;
+use warnings;
+no warnings 'redefine';
 
 use Data::Dumper;
 use params();
@@ -16,23 +16,23 @@ my $r = shift;
 binmode STDOUT, ":encoding(UTF-8)";
 
 if ( $0 =~ /cal.*?\.cgi$/ ) {
-	( my $cgi, my $params, my $error ) = params::get($r);
+    ( my $cgi, my $params, my $error ) = params::get($r);
 
-	my $config = config::getFromScriptLocation();
-	my $debug  = $config->{system}->{debug};
+    my $config = config::getFromScriptLocation();
+    my $debug  = $config->{system}->{debug};
 
-	my $request = {
-		url    => $ENV{QUERY_STRING},
-		params => {
-			original => $params,
-			checked  => calendar::check_params( $config, $params ),
-		},
-	};
-	$params = $request->{params}->{checked};
+    my $request = {
+        url    => $ENV{QUERY_STRING},
+        params => {
+            original => $params,
+            checked  => calendar::check_params( $config, $params ),
+        },
+    };
+    $params = $request->{params}->{checked};
 
-	my $out = '';
-	calendar::get_cached_or_render( $out, $config, $request );
-	print $out. "\n";
+    my $out = '';
+    calendar::get_cached_or_render( $out, $config, $request );
+    print $out. "\n";
 }
 
 1;