Bug 36665: (follow-up) Rephrase system preference description

... and replace some branches with libraries.

Signed-off-by: Katrin Fischer <katrin.fischer@bsz-bw.de>

installer/data/mysql/mandatory/sysprefs.sql

@@ -737,7 +737,7 @@ INSERT INTO systempreferences ( `variable`, `value`, `options`, `explanation`, `
 ('StaffHighlightedWords','1','','Highlight search terms on staff interface','YesNo'),
 ('StaffLangSelectorMode','footer','top|both|footer','Select the location to display the language selector in staff interface','Choice'),
 ('StaffLoginInstructions', '', NULL, 'HTML to go into the login box for the staff interface','Free'),
-('StaffLoginBranchBasedOnIP', '0','', 'Set the logged in branch for the user based on their current IP','YesNo'),
+('StaffLoginBranchBasedOnIP', '0','', 'Set the logged in library for the user based on their current IP','YesNo'),
 ('StaffSearchResultsDisplayBranch','holdingbranch','holdingbranch|homebranch','Controls the display of the home or holding branch for staff search results','Choice'),
 ('StaffSerialIssueDisplayCount','3','','Number of serial issues to display per subscription in the staff interface','Integer'),
 ('staffShibOnly','0','','If ON enables shibboleth only authentication for the staff client','YesNo'),

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

@@ -108,7 +108,7 @@ Administration:
                   0: "No"
             - (Disable only when remote IP address changes frequently.)
         -
-            - "Set the logged in branch for staff based on their current branch: "
+            - "Set logged in library for staff by matching their current IP to the library configuration: "
             - pref: StaffLoginBranchBasedOnIP
               default: 0
               choices: