custom_settings such as ignore folding state

Set longer autosave time interval, and ignore folding state by default.

Signed-off-by: Jiang Xin <worldhello.net@gmail.com>
Setting dialog for my hackings

Setting dialog for my hackings, such as:

* Unicode output,
* Save extra attributes in other XML file.

Signed-off-by: Jiang Xin <worldhello.net@gmail.com>
README for GitHub

Signed-off-by: Jiang Xin <worldhello.net@gmail.com>
l10n for zh_CN

Signed-off-by: Jiang Xin <worldhello.net@gmail.com>
l10n for MMX addon

Signed-off-by: Jiang Xin <worldhello.net@gmail.com>
Load with .mmx file when open new mindmap

When load mindmap, join <filename>.mm file with .<filename>.mmx.

Signed-off-by: Jiang Xin <worldhello.net@gmail.com>
Encode mm file in UTF-8 format

Signed-off-by: Jiang Xin <worldhello.net@gmail.com>
Show MMX patch version

Show MMX patched version number on splash screen and about dialog.

Signed-off-by: Jiang Xin <worldhello.net@gmail.com>
Save extra mmx file

When save mindmap file, some fields save to a extra file, named .<filename>.mmx

Signed-off-by: Jiang Xin <worldhello.net@gmail.com>
Do not escape utf8 characters as entities

Signed-off-by: Jiang Xin <worldhello.net@gmail.com>