Reflowable Layout
TTS engine is modified. (Advanced demo also has been changed )
Resolves a number of issues.

* Reflowable Layout

TextToSpeech (TTS) engine updated. (Advanced Demo has been changed for TTS)
relsolved number of issues.

Reflowable layout
New function is added.
/** force to repaint webview when rendering has problem */
-(void)repaintWebView;

Fixed Layout
New function is added.
/** force to repaint webview when rendering has problem */
-(void)repaintWebView;

Reflowable Layout
Fixed Issue that PageDescription of PageInformation does not match the current page in some cases.

Reflowable Layout

resolved the issue that Highlight does not work in Vertical Writing of RTF.
resolved the issue that gotoPageByHighlight does not work in Vertical Writing of RTF.
resolved the issue that TTS crashes in in Vertical Writing of RTF.
TTS is disabled in Vertical Writing of RTF.

Fixed Layout
resolved the issue that Table Tag does not display properly in some devices.

Reflowable Layout
fixed the issue that gotoPageByHighlight does not work in some cases.
fixed multiple issues about TTS.

Reflowable Layout
ScriptDelegate.getStypeForChapter() is called when reloading as well as opening book.

Reflowable Layout
* resolved the issue that Highlights display improperly after reloading.
* useSoftware(use software layer rather than hardware) is recommended to resolve the issue that pages blink after new chapter is loaded.

Reflowable Layout
1. Performance is enhanced when new chapter is loaded.
2. Loading Time is reduced when new chapter has a lot of highlights.
3. Fixed the issue that Page is mismatched while turning page with curling effect.

Reflowable Layout
Resolved the issue that App crashes under iOS 10 due to the new api for iPhone X.