Update SignalServiceKit pod.

// FREEBIE

Podfile

@@ -5,8 +5,8 @@ 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',           path: '../SignalServiceKit'
+    pod 'SignalServiceKit',           git: 'https://github.com/WhisperSystems/SignalServiceKit.git'
+    #pod 'SignalServiceKit',           path: '../SignalServiceKit'
     pod 'OpenSSL'
     pod 'PastelogKit',                '~> 1.3'
     pod 'FFCircularProgressView',     '~> 0.5'

Podfile.lock

@@ -123,7 +123,7 @@ DEPENDENCIES:
   - PastelogKit (~> 1.3)
   - PureLayout
   - SCWaveformView (~> 1.0)
-  - SignalServiceKit (from `../SignalServiceKit`)
+  - SignalServiceKit (from `https://github.com/WhisperSystems/SignalServiceKit.git`)
   - SocketRocket (from `https://github.com/facebook/SocketRocket.git`)
   - ZXingObjC
 
@@ -131,7 +131,7 @@ EXTERNAL SOURCES:
   AxolotlKit:
     :git: https://github.com/WhisperSystems/SignalProtocolKit.git
   SignalServiceKit:
-    :path: ../SignalServiceKit
+    :git: https://github.com/WhisperSystems/SignalServiceKit.git
   SocketRocket:
     :git: https://github.com/facebook/SocketRocket.git
 
@@ -139,6 +139,9 @@ CHECKOUT OPTIONS:
   AxolotlKit:
     :commit: 919d541d6b8a8802a94f943026b8f68394e2c0b8
     :git: https://github.com/WhisperSystems/SignalProtocolKit.git
+  SignalServiceKit:
+    :commit: 4d055757de63762648471951bef4bc3d2b9476ed
+    :git: https://github.com/WhisperSystems/SignalServiceKit.git
   SocketRocket:
     :commit: 41b57bb2fc292a814f758441a05243eb38457027
     :git: https://github.com/facebook/SocketRocket.git
@@ -169,6 +172,6 @@ SPEC CHECKSUMS:
   YapDatabase: b1e43555a34a5298e23a045be96817a5ef0da58f
   ZXingObjC: bf15b3814f7a105b6d99f47da2333c93a063650a
 
-PODFILE CHECKSUM: bc79f89ae559d9f61d1471a89fd44471609af69d
+PODFILE CHECKSUM: 48dbf2fb380d626bb799a782dd41b6bf1e466506
 
 COCOAPODS: 1.0.1