Lay out optional Welcome buttons horizontally.

src/modules/welcome/WelcomePage.ui

@@ -152,11 +152,11 @@
         </spacer>
        </item>
        <item>
-        <layout class="QVBoxLayout" name="verticalLayout_2">
+        <layout class="QHBoxLayout" name="horizontalLayout_4">
          <item>
-          <widget class="QPushButton" name="releaseNotesButton">
+          <widget class="QPushButton" name="aboutButton">
            <property name="text">
-            <string>&amp;Release notes</string>
+            <string>&amp;About</string>
            </property>
            <property name="flat">
             <bool>true</bool>
@@ -164,9 +164,9 @@
           </widget>
          </item>
          <item>
-          <widget class="QPushButton" name="knownIssuesButton">
+          <widget class="QPushButton" name="supportButton">
            <property name="text">
-            <string>&amp;Known issues</string>
+            <string>&amp;Support</string>
            </property>
            <property name="flat">
             <bool>true</bool>
@@ -174,9 +174,9 @@
           </widget>
          </item>
          <item>
-          <widget class="QPushButton" name="supportButton">
+          <widget class="QPushButton" name="knownIssuesButton">
            <property name="text">
-            <string>&amp;Support</string>
+            <string>&amp;Known issues</string>
            </property>
            <property name="flat">
             <bool>true</bool>
@@ -184,9 +184,9 @@
           </widget>
          </item>
          <item>
-          <widget class="QPushButton" name="aboutButton">
+          <widget class="QPushButton" name="releaseNotesButton">
            <property name="text">
-            <string>&amp;About</string>
+            <string>&amp;Release notes</string>
            </property>
            <property name="flat">
             <bool>true</bool>