Only send final PUT on Azure profiles
Fix core dump when reading Azure key from environment variable
Improve interface between mod_http_cache and storage providers
Remove debug
Remove out-of-date TODO
Add new configuration to example
Changes arising from Christopher Rienzo's comments
Add function to pointers to the profile to allow for better integration with the storage providers.
Add function to pointers to the profile to allow for better integration with the storage providers
Remove old header file inclusion
Chris Rienzo