getting poc of custom apigee headers
Apigee specific headers to help get end to end analytics. https://apigeesc.atlassian.net/browse/CDEX-78
clean up some local testing code
add headers for DataTaskWithRequestAndCompletionHandler
remove org and app name used for testing so that user is forced to use her app
Merge pull request #61 from amuramoto/master

Added disconnectEntitiesByName
adding missing initializer impl
use proper SDK initializer
Merge pull request #60 from apigee/custom-apigee-headers

Custom apigee headers
Added methods for getting counters