Bug 13211: Added Google Indic Transliteration as a System Preference

Test scenario:
1. Apply the patch
2. Run updatedatabase.pl
3. Login to Koha and go to Adminstration.
4. Click on Global system preferences.
5. Search GoogleIndicTransliteration and choose value "Show".
6. Apply patches on bug 13144
7. Go to OPAC and see GoogleIndicTransliteration coming on Masthead.

Signed-off-by: Mark Tompsett <mtompset@hotmail.com>
Signed-off-by: Tomas Cohen Arazi <tomascohen@gmail.com>

Signed-off-by: Katrin Fischer <katrin.fischer.83@web.de>
Signed-off-by: Tomas Cohen Arazi <tomascohen@gmail.com>

installer/data/mysql/sysprefs.sql

@@ -128,6 +128,7 @@ INSERT INTO systempreferences ( `variable`, `value`, `options`, `explanation`, `
 ('finesMode','test','off|test|production','Choose the fines mode, \'off\', \'test\' (emails admin report) or \'production\' (accrue overdue fines).  Requires accruefines cronjob.','Choice'),
 ('FRBRizeEditions','0','','If ON, Koha will query one or more ISBN web services for associated ISBNs and display an Editions tab on the details pages','YesNo'),
 ('gist','0','','Default Goods and Services tax rate NOT in %, but in numeric form (0.12 for 12%), set to 0 to disable GST','Integer'),
+('GoogleIndicTransliteration','0','','GoogleIndicTransliteration on the OPAC Masthead.','YesNo'),
 ('GoogleJackets','0',NULL,'if ON, displays jacket covers from Google Books API','YesNo'),
 ('hidelostitems','0','','If ON, disables display of\"lost\" items in OPAC.','YesNo'),
 ('HidePatronName','0','','If this is switched on, patron\'s cardnumber will be shown instead of their name on the holds and catalog screens','YesNo'),

installer/data/mysql/updatedatabase.pl

@@ -9418,6 +9418,13 @@ if ( CheckVersion($DBversion) ) {
     SetVersion($DBversion);
 }
 
+$DBversion = "3.17.00.XXX";
+if ( CheckVersion($DBversion) ) {
+    $dbh->do("INSERT INTO systempreferences (variable,value,options,explanation,type) VALUES('GoogleIndicTransliteration','0','','GoogleIndicTransliteration on the OPAC Masthead.','YesNo')");
+    print "Upgrade to $DBversion done (Bug 13211: Added system preferences GoogleIndicTransliteration on the OPAC Masthead)\n";
+    SetVersion($DBversion);
+}
+
 =head1 FUNCTIONS
 
 =head2 TableExists($table)

koha-tmpl/intranet-tmpl/prog/en/modules/admin/preferences/opac.pref

@@ -153,6 +153,13 @@ OPAC:
                   yes: Show
                   no: "Don't show"
             - the item's barcode on the holdings tab.
+        -
+            - pref: GoogleIndicTransliteration
+              default: 0
+              choices:
+                  yes: Show
+                  no: "Don't show"
+            - GoogleIndicTransliteration on the OPAC masthead.
         -
             - pref: OpacHighlightedWords
               choices: