doc: Fix links and auto-links

Changed function names to include parentheses so that they can be auto-
linked to getters and setters for bindable properties.

Change-Id: I72a06a7def55348bd1295e559751a16c62c93a84
Reviewed-by: Topi Reiniö <topi.reinio@qt.io>
(cherry picked from commit d02ac6b3e02d8a5822fc772e456249afaf00dfb3)
Reviewed-by: Qt Cherry-pick Bot <cherrypick_bot@qt-project.org>
(cherry picked from commit 57baa91ec2ad0964a9da0f1cf0a7caa9e8536d28)

src/corelib/animation/qabstractanimation.cpp

@@ -1276,7 +1276,7 @@ int QAbstractAnimation::currentLoopTime() const
     \brief the current time and progress of the animation
 
     This property describes the animation's current time. You can change the
-    current time by calling setCurrentTime, or you can call start() and let
+    current time by calling setCurrentTime(), or you can call start() and let
     the animation run, setting the current time automatically as the animation
     progresses.
 
@@ -1428,8 +1428,7 @@ void QAbstractAnimation::pause()
 
 /*!
     Resumes the animation after it was paused. When the animation is resumed,
-    it emits the resumed() and stateChanged() signals. The currenttime is not
-    changed.
+    it emits the stateChanged() signal. The currentTime property is not changed.
 
     \sa start(), pause(), state()
  */

src/corelib/animation/qpropertyanimation.cpp

@@ -243,7 +243,7 @@ void QPropertyAnimation::updateCurrentValue(const QVariant &value)
 /*!
     \reimp
 
-    If the startValue is not defined when the state of the animation changes from Stopped to Running,
+    If the \l{QVariantAnimation::}{startValue} is not defined when the state of the animation changes from Stopped to Running,
     the current property value is used as the initial value for the animation.
 */
 void QPropertyAnimation::updateState(QAbstractAnimation::State newState,

src/corelib/animation/qvariantanimation.cpp

@@ -338,7 +338,7 @@ QVariantAnimation::~QVariantAnimation()
     elastic effect on the values of the interpolated variant.
 
     QVariantAnimation will use the QEasingCurve::valueForProgress() to
-    transform the "normalized progress" (currentTime / totalDuration)
+    transform the "normalized progress" (currentTime() / totalDuration())
     of the animation into the effective progress actually
     used by the animation. It is this effective progress that will be
     the progress when interpolated() is called. Also, the steps in the