New feature

• Add auto insert list and blockquote prefix: Preferences --> General --> Auto insert list and blockquote prefix
• In Editor share: Copy as image,Save as image,Save as PDF etc... now change to HTML style.
• Add HTML or PDF export suport for documents. You can selected documents --> Right Mouse Button Click(RMB) --> Export as HTML or PDF.
• Add HTML or PDF export suport for category. You can selected category --> RMB --> Export as HTML or PDF.
• Add new preview css: octopress,greyshade.
• Add drag & drop to sort documents. RMB parent category --> Edit --> set Order by to Custom --> you can drag & drop to sort
• Add drag & drop to sort categories.

Fixed

• Build site crash some time
• Preview site not work some time