#116 Adds initial RC1 Support.

Known Issues:
1. Disconnects are not handled properly
2. SRServerSentEvents Transport is overretained if used.
3. SignalR.Client exposes a Proxy property on the connection which we
do not
Upgrade Code Base to Modern Objective C Syntax
#116 corrects eventSource retain count
Formatting, Cleanup Public APIs

Move several pieces of the API to private, rename parts ot the Public
API to be more consistent with other Objective C libraries.
#116 Dispatch Event when Connection Disconnects
Update Podspec to RC1
Merge pull request #123 from DyKnow/rc1

fixes #116