Tooltips has been added

ubl-settings-update-mirror-add.glade

@@ -170,6 +170,7 @@ mirrorlist - mirrors file, make sure server URL is NOT included in this file! Si
                                         <property name="visible">True</property>
                                         <property name="can-focus">True</property>
                                         <property name="receives-default">True</property>
+                                        <property name="tooltip-text" translatable="yes">Open file explorer</property>
                                         <property name="image">image1</property>
                                         <style>
                                           <class name="thin"/>

ubl-settings-update-mirror-path-add.glade

@@ -22,6 +22,7 @@
         <property name="visible">True</property>
         <property name="can-focus">False</property>
         <property name="receives-default">True</property>
+        <property name="tooltip-text" translatable="yes">Remove</property>
         <property name="image">image2</property>
         <style>
           <class name="noborder"/>
@@ -57,6 +58,7 @@
         <property name="visible">True</property>
         <property name="can-focus">False</property>
         <property name="receives-default">True</property>
+        <property name="tooltip-text" translatable="yes">Edit</property>
         <property name="image">image1</property>
         <style>
           <class name="noborder"/>

ubl-settings-update-web-publication-add.glade

@@ -105,6 +105,7 @@
                     <property name="visible">True</property>
                     <property name="can-focus">True</property>
                     <property name="receives-default">True</property>
+                    <property name="tooltip-text" translatable="yes">Open file explorer</property>
                     <property name="image">image1</property>
                     <style>
                       <class name="thin"/>
@@ -389,6 +390,7 @@
                                 <property name="sensitive">False</property>
                                 <property name="can-focus">True</property>
                                 <property name="receives-default">True</property>
+                                <property name="tooltip-text" translatable="yes">Edit</property>
                                 <property name="image">image2</property>
                                 <style>
                                   <class name="thin"/>