Add direct link with template for submitting new issues

Add direct link for submitting new issues in the Settings -> About widget.
Use a prefilled template with the information listed in CONTRIBUTING.md.

src/widget/form/settings/aboutform.cpp

@@ -49,14 +49,17 @@ AboutForm::AboutForm() :
 //nightly builds from stable releases.
 void AboutForm::replaceVersions()
 {
+    QString toxcoreVersionString = QString::number(TOX_VERSION_MAJOR) + "." +
+                                    QString::number(TOX_VERSION_MINOR) + "." +
+                                    QString::number(TOX_VERSION_PATCH);
     bodyUI->youareusing->setText(bodyUI->youareusing->text().replace("$GIT_DESCRIBE", QString(GIT_DESCRIBE)));
     bodyUI->gitVersion->setText(bodyUI->gitVersion->text().replace("$GIT_VERSION", QString(GIT_VERSION)));
-    bodyUI->toxCoreVersion->setText(
-                bodyUI->toxCoreVersion->text().replace("$TOXCOREVERSION",
-                                                       QString::number(TOX_VERSION_MAJOR) + "." +
-                                                       QString::number(TOX_VERSION_MINOR) + "." +
-                                                       QString::number(TOX_VERSION_PATCH)));
-    bodyUI->qtVersion->setText(tr("Qt version:") + " " + QT_VERSION_STR);
+    bodyUI->toxCoreVersion->setText(bodyUI->toxCoreVersion->text().replace("$TOXCOREVERSION", toxcoreVersionString));
+    bodyUI->qtVersion->setText(bodyUI->qtVersion->text().replace("$QTVERSION", QT_VERSION_STR));
+    bodyUI->knownIssues->setText(bodyUI->knownIssues->text().replace("$GIT_DESCRIBE", QString(GIT_DESCRIBE)));
+    bodyUI->knownIssues->setText(bodyUI->knownIssues->text().replace("$GIT_VERSION", QString(GIT_VERSION)));
+    bodyUI->knownIssues->setText(bodyUI->knownIssues->text().replace("$TOXCOREVERSION", toxcoreVersionString));
+    bodyUI->knownIssues->setText(bodyUI->knownIssues->text().replace("$QTVERSION", QT_VERSION_STR));
 }
 
 AboutForm::~AboutForm()

src/widget/form/settings/aboutsettings.ui

@@ -85,7 +85,7 @@
              </font>
             </property>
             <property name="text">
-             <string>Qt version:</string>
+             <string>Qt version: $QTVERSION</string>
             </property>
             <property name="textInteractionFlags">
              <set>Qt::LinksAccessibleByMouse|Qt::TextSelectableByMouse</set>
@@ -307,7 +307,7 @@ p, li { white-space: pre-wrap; }
          </property>
          <layout class="QHBoxLayout" name="horizontalLayout">
           <item>
-           <widget class="QLabel" name="label_3">
+           <widget class="QLabel" name="knownIssues">
             <property name="sizePolicy">
              <sizepolicy hsizetype="Preferred" vsizetype="Preferred">
               <horstretch>0</horstretch>
@@ -320,7 +320,7 @@ p, li { white-space: pre-wrap; }
              </font>
             </property>
             <property name="text">
-             <string>&lt;html&gt;&lt;head/&gt;&lt;body&gt;&lt;p&gt;A list of all known issues may be found at our &lt;a href=&quot;https://github.com/tux3/qTox/issues&quot;&gt;&lt;span style=&quot; text-decoration: underline; color:#0000ff;&quot;&gt;bug-tracker&lt;/span&gt;&lt;/a&gt; at Github. If you discover a bug or security vulnerability within qTox, please report it according to the guidelines in our &lt;a href=&quot;https://github.com/tux3/qTox/wiki/Writing-Useful-Bug-Reports&quot;&gt;&lt;span style=&quot; text-decoration: underline; color:#0000ff;&quot;&gt;Writing Useful Bug Reports&lt;/span&gt;&lt;/a&gt; wiki article.&lt;/p&gt;&lt;/body&gt;&lt;/html&gt;</string>
+             <string>&lt;html&gt;&lt;head/&gt;&lt;body&gt;&lt;p&gt;A list of all known issues may be found at our &lt;a href=&quot;https://github.com/tux3/qTox/issues&quot;&gt;&lt;span style=&quot; text-decoration: underline; color:#0000ff;&quot;&gt;bug-tracker&lt;/span&gt;&lt;/a&gt; at Github. If you discover a bug or security vulnerability within qTox, please &lt;a href=&quot;https://github.com/tux3/qTox/issues/new?body=%0A%0A%0A%0A---%0A%0AqTox:+$GIT_DESCRIBE%0ACommit+hash:+$GIT_VERSION%0Atoxcore:+$TOXCOREVERSION%0AQt:+$QTVERSION%0AOS+version:&quot;&gt;&lt;span style=&quot; text-decoration: underline; color:#0000ff;&quot;&gt;report it&lt;/span&gt;&lt;/a&gt; according to the guidelines in our &lt;a href=&quot;https://github.com/tux3/qTox/wiki/Writing-Useful-Bug-Reports&quot;&gt;&lt;span style=&quot; text-decoration: underline; color:#0000ff;&quot;&gt;Writing Useful Bug Reports&lt;/span&gt;&lt;/a&gt; wiki article.&lt;/p&gt;&lt;/body&gt;&lt;/html&gt;</string>
             </property>
             <property name="wordWrap">
              <bool>true</bool>