Update launch screen

Signal/src/util/Launch Screen.storyboard

@@ -1,7 +1,9 @@
 <?xml version="1.0" encoding="UTF-8"?>
-<document type="com.apple.InterfaceBuilder3.CocoaTouch.Storyboard.XIB" version="3.0" toolsVersion="14868" targetRuntime="iOS.CocoaTouch" propertyAccessControl="none" useAutolayout="YES" launchScreen="YES" useTraitCollections="YES" colorMatched="YES" initialViewController="01J-lp-oVM">
+<document type="com.apple.InterfaceBuilder3.CocoaTouch.Storyboard.XIB" version="3.0" toolsVersion="15505" targetRuntime="iOS.CocoaTouch" propertyAccessControl="none" useAutolayout="YES" launchScreen="YES" useTraitCollections="YES" colorMatched="YES" initialViewController="01J-lp-oVM">
+    <device id="retina6_1" orientation="portrait" appearance="light"/>
     <dependencies>
-        <plugIn identifier="com.apple.InterfaceBuilder.IBCocoaTouchPlugin" version="14824"/>
+        <deployment identifier="iOS"/>
+        <plugIn identifier="com.apple.InterfaceBuilder.IBCocoaTouchPlugin" version="15510"/>
         <capability name="documents saved in the Xcode 8 format" minToolsVersion="8.0"/>
     </dependencies>
     <scenes>
@@ -14,18 +16,18 @@
                         <viewControllerLayoutGuide type="bottom" id="xb3-aO-Qok"/>
                     </layoutGuides>
                     <view key="view" contentMode="scaleToFill" id="Ze5-6b-2t3">
-                        <rect key="frame" x="0.0" y="0.0" width="600" height="600"/>
+                        <rect key="frame" x="0.0" y="0.0" width="414" height="896"/>
                         <autoresizingMask key="autoresizingMask" widthSizable="YES" heightSizable="YES"/>
                         <subviews>
-                            <imageView userInteractionEnabled="NO" contentMode="scaleToFill" horizontalHuggingPriority="251" verticalHuggingPriority="251" image="Loki" translatesAutoresizingMaskIntoConstraints="NO" id="b92-yg-YYQ">
+                            <imageView userInteractionEnabled="NO" contentMode="scaleAspectFit" horizontalHuggingPriority="251" verticalHuggingPriority="251" image="Session" translatesAutoresizingMaskIntoConstraints="NO" id="b92-yg-YYQ">
-                                <rect key="frame" x="262.5" y="264.5" width="75" height="71"/>
+                                <rect key="frame" x="169.5" y="410.5" width="75" height="75"/>
                                 <constraints>
                                     <constraint firstAttribute="width" constant="75" id="edg-p1-IeH"/>
-                                    <constraint firstAttribute="height" constant="71" id="sRe-w6-smO"/>
+                                    <constraint firstAttribute="height" constant="75" id="sRe-w6-smO"/>
                                 </constraints>
                             </imageView>
                         </subviews>
-                        <color key="backgroundColor" red="0.039215686274509803" green="0.039215686274509803" blue="0.039215686274509803" alpha="1" colorSpace="custom" customColorSpace="sRGB"/>
+                        <color key="backgroundColor" red="0.086274509803921567" green="0.086274509803921567" blue="0.086274509803921567" alpha="1" colorSpace="custom" customColorSpace="sRGB"/>
                         <constraints>
                             <constraint firstItem="b92-yg-YYQ" firstAttribute="centerY" secondItem="Ze5-6b-2t3" secondAttribute="centerY" id="ec1-lk-fbn"/>
                             <constraint firstItem="b92-yg-YYQ" firstAttribute="centerX" secondItem="Ze5-6b-2t3" secondAttribute="centerX" id="jLr-XH-MKf"/>
@@ -38,6 +40,6 @@
         </scene>
     </scenes>
     <resources>
-        <image name="Loki" width="16" height="16"/>
+        <image name="Session" width="303" height="337"/>
     </resources>
 </document>