Fix memory leak in SSL trust check.
Standardize SPDYSocket ARC check
Re-order source files
Fix header version annotation
Expose TLS settings as a configuration option
Don't callback with zero length data.

This should improve the efficiency of the communication between
the SPDY protocol and the client delegate callbacks by ensuring
that no callbacks are sent for zero length data.
Link SystemConfiguration.framework
Use separate session pool for cellular connections -- resolves #11
Remove whitespace
Fix buffer copy to prevent response pollution -- fixes #23, closes #24
tengine has supported SPDY V3 and should be mentioned for testing convenience
Guard against arbitrarily large window sizes

Observed with nginx with SPDY 3.1 patch applied:

http://mailman.nginx.org/pipermail/nginx-devel/2014-January/004890.html

2014-01-28 19:08:18.230 eBay[55680:720b] SPDY [DEBUG] received
WINDOW_UPDATE.0 (+2147418111)

This causes a very large NSData allocation, and an immediate crash.
Replace fixed write stream chunk limit with dynamic, scaling limit
Fix unit test framework search paths
Add SPDYOrigin description
Remove conditional compilation for session flow control
Update project settings
Avoid casting window sizes
Fix minor warnings for some IDEs
Fix bug with initial session reuse