Merge branch 'hotfix-1.11.12'
Update version info.
Merge branch 'release-1.11.13'
Add linebreak between <html> - <head> and </html> -
Fix 2 rebuildLocal errors.
Fix an issue that drag and drop doesn't work.

(introduced in commit e6fb3187ed7cc5d1732855202a7f9b7d9a615a57)
Update version info.
Merge branch 'hotfix-1.11.14' into devel
Fix an issue that modifying highlight style doesn't count as pref change and leads no refresh.
Remove button mode of highlighter.
Highlighters increases to 8.
Merge branch 'adjust-highlighters' into fix-editor-toolbar
Add comment to sbDOMEraser
Modularize sbDOMEraser.
Modularize initEvent() method for sbPageEditor and sbAnnotationService
Isolate sbPageEditor.handleUnloadEvent into another method.
Remove other events when DOMEraser is enabled.

- Fix an issue that hotkey 1~8 are available when DOMEraser is enabled.
sbDOMEraser.init now uses only 0 and 1.

- Fix an issue that when a refresh is made (eg. modify a pref) with DOMEraser enabled, the DOMEraser button become disabled but event handlers persist.
Fix an error for events fired by #document element.
Fix an issue that styles and outlines of DOMEraser may no be reset if the user switches the tab without disable it.