Proofreading of htmlfaq.rst
Proofreading of installation.rst
Proofreading of python2.rst
Proofreading of quickstart.rst
Merge branch 'master' of https://github.com/yinian1992/flask-docs-cn
fix
Merge pull request #9 from atupal/master

Proofreading htmlfaq.rst, index.rst, installation.rst, latexindex.rst, license.rst, python3.rst, quickstart.rst