Fixes Bugs : PageIndex not calculated properly in RTL
Fixes Bugs : Highlight is not displayed in right position in RTL
Fixes Bugs : Jump to certain chapter in Content of Books in RTL
Fixes Bugs : can’t locate the exact position by Search Result in RTL

Fixes Bugs : Selector for text selection not work properly sometimes in RTL

Enhancement: The background image having Alpha value can be blended with the backgroundColor of ReflowableView using rv.setBackground(int color);