Merge pull request #3 from hyzhang/master

修正一点点错别字/大小写错误
Merge pull request #4 from hyzhang/master

修正一些小错误
Merge pull request #5 from hyzhang/master

修正一些小错误和几处翻译错误
fix typo
fix typo!!!
fix typo and update
add read me
add notes in read me
fix typo
add html files;
fix typo;
update layout.html;
Merge remote-tracking branch 'upstream/master'

Conflicts:
	source/controlflow.rst
	source/datastructures.rst
	source/modules.rst