implemented markdown's code block syntax highlighting
update doc
Merge branch 'rkaneko-mkd-code-syntax-highlight'
International friendly README
support reStructuredText(required rst2html.py)
Revert html lang
Add English translation of the doc
Merge pull request #16 from lazywei/master

International friendly README
Merge pull request #18 from NigoroJr/doc_translation

Add English translation of the doc
update readme
fix #17 add custom css setting
Revert "fix #17 add custom css setting"

This reverts commit ddce945b4551bb3778b2c7e471fc4cf66f147e3a.
add ignore
Revert "Revert "add custom css setting""

This reverts commit 9a671be6f6ecb72e7b093cd6edfe333dd2f5636e.
impl custom css #17
add ignore tags(for english)
update doc
issue #19 change echoerr -> echohl
fix #20
Merge branch 'master' of https://github.com/kannokanno/previm

Conflicts:
	preview/index.html
	preview/js/lib/marked-0.3.2.js
	preview/js/previm.js