added: std::wstring file_mime_type to ItemContent - a mime type for static file
added: Header (core/header.h) - there will be header names defined, at the moment only content_type
added: FuncionsBase::Finish() - it is called at the end when the winix finishes
added to config: int html_filter_white_char_mode;
how white characters between html tags are treated
0 - WHITE_MODE_ORIGIN - they are copied from input to output
1 - WHITE_MODE_SINGLE_LINE - new line characters are removed
2 - WHITE_MODE_TREE - try to create a tree (some kind of pretty printing)
default: 2
new winix function: "seo", it allowes to edit subject, description and keywords for a page
description and keywords are stored in meta
git-svn-id: svn://ttmath.org/publicrep/winix/trunk@1179 e52654a7-88a9-db11-a3e9-0013d4bc506e