Adding MutableLines.update() and fixing popups

Removing news storing in an SQL database

Minor fixes

LUWRAIN API update

Minor fix to MessageHookObject

news: Adding ext_data column to news_articles table

Fix to encoding of from address

Adding pim.Settings interface

Reflecting renaming KeyboardEvent.getCommand() -> getSpecial() and is…

…Command() -> isSpecial()

util.HtmlPreview interface added

- Mail decoder uses util.HtmlPreview interface to decode HTML messages