[Fix] a Xcode warning on -ObjC and -all_load flags

Signed-off-by: Miguel M. Almeida <miguelcma@gmail.com>
Code Review

Signed-off-by: Miguel M. Almeida <miguelcma@gmail.com>
Code review (identifyUser... with location)

Signed-off-by: Miguel M. Almeida <miguelcma@gmail.com>
[Fix] identifyUser: is now performed synchronously

* User identify is now performed synchronously
* Auto identify is now performed asynchronously

Signed-off-by: Miguel M. Almeida <miguelcma@gmail.com>
[Demo] Refactor Demo App classes names

* ViewController > LiquidDemoViewController
* Main > LiquidDemo
* AppDelegate > LiquidDemoAppDelegate

Signed-off-by: Miguel M. Almeida <miguelcma@gmail.com>
[Fix] race condition on identifyUserSyncedWithIdentifier:

Signed-off-by: Miguel M. Almeida <miguelcma@gmail.com>
[Tests] for commit 187233e: sync identifyUser:

Signed-off-by: Miguel M. Almeida <miguelcma@gmail.com>
[Demo] Missing NSLogs

Signed-off-by: Miguel M. Almeida <miguelcma@gmail.com>
[Release] New Liquid release: v0.8.1-beta

Signed-off-by: Miguel M. Almeida <miguelcma@gmail.com>