updated readme

something that can be edited/used outside this repo
Update README.md
Update Python documentation from latest openphoto-python README.rst
added html embed faq
Merge pull request #34 from sushimustwrite/master

updated readme and html embed faq
tyop
Merge pull request #35 from sushimustwrite/master

tyop
Merge pull request #33 from sneakypete81/python-readme-update

Update Python documentation from latest openphoto-python README.rst