Update Chinese simplified translation for ui
Updated German translation
Updated Polish translation
Replace shave with automake's silent rules

Fixes bug 673710.
Thanks Adrian Bunk.
Add 256x256 app icon

Fixes bug 674267.
Corresponding Tomboy bug 644020.
Thanks Michael Monreal.
Fix bullet indentation when printing

When printing notes with multiple levels of bullets, all bullet points
are equally indented.
Fixes bug 674904.
Thanks Tim Jackson.
Fix memory leak in search window

Undeleted timeout object, when destroying window.
Updated Gnote man page
Update documenters
Prepare 0.8.4
hindi update
Assamese translation updated