fixes #described_recipe helper

this was broken when using nested example groups
updates README.md

example updated to reflect the node write changes introducted in Chef 11
Merge pull request #185 from orgsync-cookbooks/update-readme

updates README.md
Merge pull request #184 from orgsync-cookbooks/fix-describe-helper

fixes #described_recipe helper
Regexp support for resource names
Merge pull request #183 from mapleoin/regexp-resources

Regexp support for resource names
add support for python_pip LWRP
Merge pull request #186 from mapleoin/python_pip

add support for python_pip LWRP