Fix doclint warnings in javax.swing.plaf.basic package

Fix doclint warnings in javax.swing.plaf.basic package.

All warnings are divided to 7 groups:
javax/swing/plaf/basic/BasicArrowButton.java 1
javax/swing/plaf/basic/BasicCheckBoxUI.java 1
javax/swing/plaf/basic/BasicComboBoxRenderer.java 1
javax/swing/plaf/basic/BasicPopupMenuSeparatorUI.java 1
javax/swing/plaf/basic/BasicToolBarSeparatorUI.java 1
javax/swing/plaf/basic/DefaultMenuLayout.java 1
javax/swing/plaf/basic/BasicCheckBoxMenuItemUI.java 2
javax/swing/plaf/basic/BasicComboBoxEditor.java 2
javax/swing/plaf/basic/BasicRadioButtonMenuItemUI.java 2
javax/swing/plaf/basic/BasicSpinnerUI.java 2
javax/swing/plaf/basic/BasicToggleButtonUI.java 2
javax/swing/plaf/basic/ComboPopup.java 2
javax/swing/plaf/basic/BasicPanelUI.java 3
javax/swing/plaf/basic/BasicViewportUI.java 3
javax/swing/plaf/basic/BasicButtonListener.java 4
javax/swing/plaf/basic/BasicRadioButtonUI.java 4
javax/swing/plaf/basic/BasicTextUI.java 4
javax/swing/plaf/basic/BasicTableHeaderUI.java 6
javax/swing/plaf/basic/BasicToolTipUI.java 6
javax/swing/plaf/basic/BasicHTML.java 7
javax/swing/plaf/basic/BasicSeparatorUI.java 7
javax/swing/plaf/basic/BasicIconFactory.java 8
javax/swing/plaf/basic/BasicPopupMenuUI.java 9
javax/swing/plaf/basic/BasicRootPaneUI.java 9
javax/swing/plaf/basic/BasicDirectoryModel.java 11
javax/swing/plaf/basic/BasicMenuUI.java 11
javax/swing/plaf/basic/BasicColorChooserUI.java 12
javax/swing/plaf/basic/BasicDesktopPaneUI.java 12
javax/swing/plaf/basic/BasicGraphicsUtils.java 12
javax/swing/plaf/basic/BasicMenuBarUI.java 12
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javax/swing/plaf/basic/BasicTableUI.java 12
javax/swing/plaf/basic/BasicDesktopIconUI.java 14
javax/swing/plaf/basic/BasicComboPopup.java 17
javax/swing/plaf/basic/BasicButtonUI.java 22
javax/swing/plaf/basic/BasicComboBoxUI.java 22
javax/swing/plaf/basic/BasicScrollPaneUI.java 22
javax/swing/plaf/basic/BasicSplitPaneDivider.java 23
javax/swing/plaf/basic/BasicLabelUI.java 27
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javax/swing/plaf/basic/BasicProgressBarUI.java 29
javax/swing/plaf/basic/BasicBorders.java 32
javax/swing/plaf/basic/BasicMenuItemUI.java 32
javax/swing/plaf/basic/BasicListUI.java 35
javax/swing/plaf/basic/BasicSplitPaneUI.java 48
#####################
javax/swing/plaf/basic/BasicOptionPaneUI.java 52
javax/swing/plaf/basic/BasicInternalFrameTitlePane.java 53
javax/swing/plaf/basic/BasicToolBarUI.java 58
#####################
javax/swing/plaf/basic/BasicScrollBarUI.java 61
javax/swing/plaf/basic/BasicInternalFrameUI.java 62
javax/swing/plaf/basic/BasicFileChooserUI.java 75
#####################
javax/swing/plaf/basic/BasicTabbedPaneUI.java 99
javax/swing/plaf/basic/BasicSliderUI.java 101
#####################
javax/swing/plaf/basic/BasicTreeUI.java 157
#####################

Task consists of three parts:
* fix lack of comments and javadoc tags;
* fix issues like JDK-8044301;
* fix specification bugs like JDK-7020860.