make permanent redirects cacheable. shouldnt a permanent redirect be
cacheable by default?!
add a test that permanent redirects are cacheable
Prefer VS2013 where possible
Added 409 conflict when trying to create projection with existing name (instead of 500)
Fix project file
Make build script Mac-friendly

- Set the DLYD_LIBRARY_PATH when building V8 such that building the
  snapshot doesn't fail
- Use appropriate extensions for shared libraries when copying etc
  (dylib for Mac OS, so for Linux)
- Set appropriate dylib install names if on Mac OS. There may be a
  better way to do that during the build of V8 but Gyp.
Fix typo which environment vars cunningly mask
Add Mac to the appropriate section of the README
First draft of persistent subscriptions
Added maximum number of events to fetch so that code compiles, tweaks to testbed
Fixed UTs
Persistent subscription client code
Updated testbed, sort-of-working
Fixing issues related to no data read responses
Removed duplicate drop subscription msg and fixed logging to verbose
Fixed race conditions and faulty states in PesistenSubscription
Added naive checkpointing. Still some race conditions:\
Fixed UTs, removed some debug code and simpliefied console logging in testbed. Still looking for the nasty race condition
Changed subscription id to int
Added handling of unsubscribe