IK documentation update

* Add \since directive to each method.
* Add documentation for BScrollBar and BScrollView classes.
* Title Case group titles.
* Some other minor documentation updates.

docs/user/interface/GroupLayout.dox

@@ -20,7 +20,8 @@
 */
 
 
-/*! \class BGroupLayout
+/*!
+	\class BGroupLayout
 	\ingroup interface
 	\ingroup layout
 	\ingroup libbe
@@ -47,7 +48,9 @@
 	will be distributed to other items.
 
 	\warning This class is not yet finalized, if you use it in your software
-	assume that it will break some time in the future.
+	         assume that it will break some time in the future.
+
+	\since Haiku R1
 */
 
 
@@ -57,6 +60,8 @@
 
 	\param orientation The orientation of this BGroupLayout.
 	\param spacing The spacing between BLayoutItems in this BGroupLayout.
+
+	\since Haiku R1
 */
 
 
@@ -65,6 +70,8 @@
 	\brief Destructor method.
 
 	Standard Destructor.
+
+	\since Haiku R1
 */
 
 
@@ -73,53 +80,70 @@
 	\brief Archive constructor.
 
 	\param from The message to construct the BGroupLayout from.
+
+	\since Haiku R1
 */
 
 
 /*!
 	\fn float BGroupLayout::Spacing() const
 	\brief Get the amount of spacing (in pixels) between each item.
+
+	\since Haiku R1
 */
 
 
 /*!
 	\fn void BGroupLayout::SetSpacing(float spacing)
 	\brief Set the amount of spacing (in pixels) between each item.
+
+	\since Haiku R1
 */
 
 
 /*!
 	\fn orientation BGroupLayout::Orientation() const
 	\brief Get the #orientation of this BGroupLayout.
+
+	\since Haiku R1
 */
 
 
 /*!
 	\fn void BGroupLayout::SetOrientation(orientation orientation)
 	\brief Set the #orientation of this BGroupLayout.
+
 	\param orientation The new #orientation of this BGroupLayout.
+
+	\since Haiku R1
 */
 
 
 /*!
 	\fn float BGroupLayout::ItemWeight(int32 index) const
 	\brief Get the weight of the item at \a index.
+
+	\since Haiku R1
 */
 
 
 /*!
 	\fn void BGroupLayout::SetItemWeight(int32 index, float weight)
 	\brief Set the weight of the item at \a index.
+
+	\since Haiku R1
 */
 
 
 /*!
 	\fn BLayoutItem* BGroupLayout::AddView(BView* child)
 	\brief Adds \a child to this layout as the last item. In a vertical
-		BGroupLayout, \a child will be on the right, in a horizontal
-		BGroupLayout, \a child will be at the bottom.
+	       BGroupLayout, \a child will be on the right, in a horizontal
+	       BGroupLayout, \a child will be at the bottom.
 
 	\a child will have a weight of \c 1.0f.
+
+	\since Haiku R1
 */
 
 
@@ -128,6 +152,8 @@
 	\brief Adds \a child to this layout at \a index.
 
 	\a child will have a weight of \c 1.0f.
+
+	\since Haiku R1
 */
 
 
@@ -135,24 +161,30 @@
 	\fn BLayoutItem* BGroupLayout::AddView(BView* child, float weight)
 	\brief Adds \a child to the end of this layout with a weight of
 		\a weight.
+
+	\since Haiku R1
 */ 
 
 
 /*!
-	\fn BLayoutItem* BGroupLayout::AddView(int32 index, BView* child, 
+	\fn BLayoutItem* BGroupLayout::AddView(int32 index, BView* child,
 		float weight)
 	\brief Adds \a child this layout at \a index with a weight of
-		\a weight.
+	       \a weight.
+
+	\since Haiku R1
 */
 
 
 /*!
 	\fn bool BGroupLayout::AddItem(BLayoutItem* item)
 	\brief Adds \a item to this layout as the last item. In a vertical
-		BGroupLayout, \a item will be on the right, in a horizontal
-		BGroupLayout, \a item will be at the bottom.
+	       BGroupLayout, \a item will be on the right, in a horizontal
+	       BGroupLayout, \a item will be at the bottom.
 
 	\a item will have a weight of \c 1.0f.
+
+	\since Haiku R1
 */
 
 
@@ -161,18 +193,25 @@
 	\brief Adds \a item to this layout at \a index.
 
 	\a item will have a weight of \c 1.0f.
+
+	\since Haiku R1
 */
 
 
 /*!
 	\fn bool BGroupLayout::AddItem(BLayoutItem* item, float weight)
 	\brief Adds \a item to the end of this layout with a weight of
-		\a weight.
+	       \a weight.
+
+	\since Haiku R1
 */
 
 
 /*!
-	\fn bool BGroupLayout::AddItem(int32 index, BLayoutItem* item, float weight)
+	\fn bool BGroupLayout::AddItem(int32 index, BLayoutItem* item,
+		float weight)
 	\brief Adds \a item this layout at \a index with a weight of
-		\a weight.
+	       \a weight.
+
+	\since Haiku R1
 */