"Go to welcome page" is internationalized

static/i18n/en.json

@@ -19,4 +19,5 @@
 	, "500-page-heading" : "Internal Server Error"
 	, "fulltext-search-unavailable" : "Fulltext search unavailable"
 	, "no-search-results": "The fulltext search engine is not available for this content."
+	, "library-button-text": "Go to welcome page"
 }

static/i18n/hy.json

@@ -9,4 +9,5 @@
 	, "url-not-found" : "Սխալ հասցե՝ {{url}}"
 	, "404-page-title" : "Սխալ հասցե"
 	, "404-page-heading" : "Սխալ հասցե"
+	, "library-button-text": "Գրադարանի էջ"
 }

static/i18n/qqq.json

@@ -20,4 +20,5 @@
 	, "500-page-heading" : "Heading of the 500 error page"
 	, "fulltext-search-unavailable" : "Title of the error page returned when search is attempted in a book without fulltext search database"
 	, "no-search-results": "Text of the error page returned when search is attempted in a book without fulltext search database"
+	, "library-button-text": "Tooltip of the button leading to the welcome page"
 }

static/templates/taskbar_part.html

@@ -12,7 +12,7 @@
         <label for="kiwix_button_show_toggle"><img src="{{root}}/skin/caret.png" alt=""></label>
         <div class="kiwix_button_cont">
           {{#withlibrarybutton}}
-            <a id="kiwix_serve_taskbar_library_button" title="Go to welcome page" aria-label="Go to welcome page" href="{{root}}/"><button>&#x1f3e0;</button></a>
+            <a id="kiwix_serve_taskbar_library_button" title="{{{LIBRARY_BUTTON_TEXT}}}" aria-label="{{{LIBRARY_BUTTON_TEXT}}}" href="{{root}}/"><button>&#x1f3e0;</button></a>
           {{/withlibrarybutton}}
           {{#hascontent}}
           <a id="kiwix_serve_taskbar_home_button" title="Go to the main page of '{{title}}'" aria-label="Go to the main page of '{{title}}'" href="{{root}}/{{content}}/"><button>{{title}}</button></a>