Replace all "\" with "/" in filename
Fixed no post bug of archive generator
Fixed rebuild bug of home generator
Exit process when no file to generate
Fixed generate rebuild option
Removed "process" from hexo namespace
Write static file with fs.writeFile
Fixed generate process display bug on Windows
Set hexo.cache.preview in preview mode
Replace fs-watch-tree with watchr
https://github.com/bevry/watchr
Merge branch '0.6' into dev

Conflicts:
	lib/util/file.js