Mark encryption as exempt, per Moxie's instruction. (#1173)

Bump release number

// FREEBIE

Signal/Signal-Info.plist

@@ -2,6 +2,8 @@
 <!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
 <plist version="1.0">
 <dict>
+	<key>ITSAppUsesNonExemptEncryption</key>
+	<false/>
 	<key>CFBundleDevelopmentRegion</key>
 	<string>en</string>
 	<key>CFBundleDisplayName</key>
@@ -38,7 +40,7 @@
 		</dict>
 	</array>
 	<key>CFBundleVersion</key>
-	<string>2.3.0.1</string>
+	<string>2.3.0.4</string>
 	<key>LOGS_EMAIL</key>
 	<string>support@whispersystems.org</string>
 	<key>LOGS_URL</key>