Add arabic translation; begin work on right-to-left layout.

// FREEBIE

Signal.xcodeproj/project.pbxproj

@@ -425,6 +425,7 @@
 		3472229E1EB22FFE00E53955 /* AddToGroupViewController.m */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.objc; path = AddToGroupViewController.m; sourceTree = "<group>"; };
 		348F2EAD1F0D21BC00D4ECE0 /* DeviceSleepManager.swift */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.swift; path = DeviceSleepManager.swift; sourceTree = "<group>"; };
 		3495BC8F1F1400FF00B478F5 /* OWSAsserts.swift */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.swift; path = OWSAsserts.swift; sourceTree = "<group>"; };
+		3495BC911F1426B800B478F5 /* ar */ = {isa = PBXFileReference; lastKnownFileType = text.plist.strings; name = ar; path = translations/ar.lproj/Localizable.strings; sourceTree = "<group>"; };
 		3497DBEA1ECE257500DB2605 /* OWSCountryMetadata.h */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.h; path = OWSCountryMetadata.h; sourceTree = "<group>"; };
 		3497DBEB1ECE257500DB2605 /* OWSCountryMetadata.m */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.objc; path = OWSCountryMetadata.m; sourceTree = "<group>"; };
 		3497DBED1ECE2E4700DB2605 /* DomainFrontingCountryViewController.h */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.h; path = DomainFrontingCountryViewController.h; sourceTree = "<group>"; };
@@ -1869,6 +1870,7 @@
 				sq,
 				bg,
 				Base,
+				ar,
 			);
 			mainGroup = D221A07E169C9E5E00537ABF;
 			productRefGroup = D221A08A169C9E5E00537ABF /* Products */;
@@ -2414,6 +2416,7 @@
 				454B35071D08EED80026D658 /* mk */,
 				4597E94E1D8313C100040CDE /* sq */,
 				4597E94F1D8313CB00040CDE /* bg */,
+				3495BC911F1426B800B478F5 /* ar */,
 			);
 			name = Localizable.strings;
 			sourceTree = "<group>";

Signal/src/views/ContactTableViewCell.m

@@ -54,24 +54,26 @@ const NSUInteger kContactTableViewCellAvatarSize = 40;
 
 - (void)configureProgrammatically
 {
+    self.preservesSuperviewLayoutMargins = YES;
+    self.contentView.preservesSuperviewLayoutMargins = YES;
+
     _avatarView = [AvatarImageView new];
     [self.contentView addSubview:_avatarView];
 
     _nameLabel = [UILabel new];
-    _nameLabel.contentMode = UIViewContentModeLeft;
     _nameLabel.lineBreakMode = NSLineBreakByTruncatingTail;
     _nameLabel.font = [UIFont ows_dynamicTypeBodyFont];
     [self.contentView addSubview:_nameLabel];
 
     [_avatarView autoVCenterInSuperview];
-    [_avatarView autoPinEdgeToSuperviewEdge:ALEdgeLeft withInset:ScaleFromIPhone5To7Plus(14.f, 20.f)];
+    [_avatarView.leadingAnchor constraintEqualToAnchor:self.contentView.layoutMarginsGuide.leadingAnchor].active = YES;
     [_avatarView autoSetDimension:ALDimensionWidth toSize:kContactTableViewCellAvatarSize];
     [_avatarView autoSetDimension:ALDimensionHeight toSize:kContactTableViewCellAvatarSize];
 
-    [_nameLabel autoPinEdgeToSuperviewEdge:ALEdgeRight];
     [_nameLabel autoPinEdgeToSuperviewEdge:ALEdgeTop];
     [_nameLabel autoPinEdgeToSuperviewEdge:ALEdgeBottom];
-    [_nameLabel autoPinEdge:ALEdgeLeft toEdge:ALEdgeRight ofView:_avatarView withOffset:12.f];
+    [_nameLabel.leadingAnchor constraintEqualToAnchor:_avatarView.trailingAnchor constant:12.f].active = YES;
+    [_nameLabel.trailingAnchor constraintEqualToAnchor:self.contentView.layoutMarginsGuide.trailingAnchor].active = YES;
 
     // Force layout, since imageView isn't being initally rendered on App Store optimized build.
     [self layoutSubviews];