Update SignalServiceKit pod.

// FREEBIE

Podfile

@@ -5,7 +5,7 @@ target 'Signal' do
     pod 'SocketRocket',               :git => 'https://github.com/facebook/SocketRocket.git'
     pod 'AxolotlKit',                 git: 'https://github.com/WhisperSystems/SignalProtocolKit.git'
     #pod 'AxolotlKit',                 path: '../SignalProtocolKit'
-    pod 'SignalServiceKit',           git: 'https://github.com/WhisperSystems/SignalServiceKit.git'
+    pod 'SignalServiceKit',           git: 'https://github.com/WhisperSystems/SignalServiceKit.git', :branch => 'charlesmchen/rateLimitingErrorMessage'
     #pod 'SignalServiceKit',           path: '../SignalServiceKit'
     pod 'OpenSSL'
     pod 'PastelogKit',                '~> 1.3'

Podfile.lock

@@ -123,7 +123,7 @@ DEPENDENCIES:
   - PastelogKit (~> 1.3)
   - PureLayout
   - SCWaveformView (~> 1.0)
-  - SignalServiceKit (from `https://github.com/WhisperSystems/SignalServiceKit.git`)
+  - SignalServiceKit (from `https://github.com/WhisperSystems/SignalServiceKit.git`, branch `charlesmchen/rateLimitingErrorMessage`)
   - SocketRocket (from `https://github.com/facebook/SocketRocket.git`)
   - ZXingObjC
 
@@ -131,6 +131,7 @@ EXTERNAL SOURCES:
   AxolotlKit:
     :git: https://github.com/WhisperSystems/SignalProtocolKit.git
   SignalServiceKit:
+    :branch: charlesmchen/rateLimitingErrorMessage
     :git: https://github.com/WhisperSystems/SignalServiceKit.git
   SocketRocket:
     :git: https://github.com/facebook/SocketRocket.git
@@ -140,7 +141,7 @@ CHECKOUT OPTIONS:
     :commit: 945c04f9e70f7119d2ada4edb938849f3b7febab
     :git: https://github.com/WhisperSystems/SignalProtocolKit.git
   SignalServiceKit:
-    :commit: 93219e4d23e07b3734fb8df4a2d244b26fcecd59
+    :commit: df4b0616e888e59d66ff2f0f48977939dbff2f56
     :git: https://github.com/WhisperSystems/SignalServiceKit.git
   SocketRocket:
     :commit: 41b57bb2fc292a814f758441a05243eb38457027
@@ -172,6 +173,6 @@ SPEC CHECKSUMS:
   YapDatabase: b1e43555a34a5298e23a045be96817a5ef0da58f
   ZXingObjC: bf15b3814f7a105b6d99f47da2333c93a063650a
 
-PODFILE CHECKSUM: 48dbf2fb380d626bb799a782dd41b6bf1e466506
+PODFILE CHECKSUM: 367862c422b92ee0f62ed16e3f0480d1510c9f50
 
-COCOAPODS: 1.1.1
+COCOAPODS: 1.0.1