add comments
lets start with DRY, and get rid of so many SendRequest HTTP bits. Not a perfect start but oh my I hate the fact we had so many different and slightly more and less rubbish HTTP connectivity pieces.
further work on helper
Merge pull request #3 from richorama/master

Experimental features
Merge branch 'master' of https://github.com/AndyCross/netmfazurestorage
add in an obsolete notice
refactor table storage to use common http access
change messages in httpclient
the HttpHelper is now named AzureStorageHttpHelper and it returns complex objects
first steps to moving blob client to common library include making the client accept additional headers for blobtype and expect100continue
fixed table code after Andy broke it