Merge tag '1.12.4' into trz/merge_1.12.4 (not tested yet)trz/merge_1.12.4

Conflicts:
	README.md
	art/render.rb
	build.gradle
	src/main/java/eu/siacs/conversations/Config.java
	src/main/java/eu/siacs/conversations/crypto/PgpEngine.java
	src/main/java/eu/siacs/conversations/crypto/axolotl/AxolotlService.java
	src/main/java/eu/siacs/conversations/crypto/axolotl/SQLiteAxolotlStore.java
	src/main/java/eu/siacs/conversations/crypto/axolotl/XmppAxolotlSession.java
	src/main/java/eu/siacs/conversations/entities/Bookmark.java
	src/main/java/eu/siacs/conversations/entities/Contact.java
	src/main/java/eu/siacs/conversations/entities/ListItem.java
	src/main/java/eu/siacs/conversations/entities/Message.java
	src/main/java/eu/siacs/conversations/parser/IqParser.java
	src/main/java/eu/siacs/conversations/parser/PresenceParser.java
	src/main/java/eu/siacs/conversations/persistance/DatabaseBackend.java
	src/main/java/eu/siacs/conversations/persistance/FileBackend.java
	src/main/java/eu/siacs/conversations/services/XmppConnectionService.java
	src/main/java/eu/siacs/conversations/ui/ContactDetailsActivity.java
	src/main/java/eu/siacs/conversations/ui/EditAccountActivity.java
	src/main/java/eu/siacs/conversations/ui/SettingsActivity.java
	src/main/java/eu/siacs/conversations/ui/ShareWithActivity.java
	src/main/java/eu/siacs/conversations/ui/XmppActivity.java
	src/main/java/eu/siacs/conversations/ui/adapter/ConversationAdapter.java
	src/main/java/eu/siacs/conversations/ui/adapter/ListItemAdapter.java
	src/main/java/eu/siacs/conversations/utils/DNSHelper.java
	src/main/java/eu/siacs/conversations/utils/UIHelper.java
	src/main/java/eu/siacs/conversations/xmpp/XmppConnection.java
	src/main/java/eu/siacs/conversations/xmpp/jingle/JingleConnection.java
	src/main/res/layout/activity_contact_details.xml
	src/main/res/layout/message_received.xml
	src/main/res/layout/message_sent.xml
	src/main/res/values-bg/strings.xml
	src/main/res/values-de/strings.xml
	src/main/res/values-es/strings.xml
	src/main/res/values-eu/strings.xml
	src/main/res/values-fr/strings.xml
	src/main/res/values-ja/strings.xml
	src/main/res/values-nl/strings.xml
	src/main/res/values-pt-rBR/strings.xml
	src/main/res/values-pt/strings.xml
	src/main/res/values-ro-rRO/strings.xml
	src/main/res/values-sr/strings.xml
	src/main/res/values-sv/strings.xml
	src/main/res/values-tr-rTR/strings.xml

3 files changed, 6 insertions, 4 deletions

diff --git a/src/main/java/eu/siacs/conversations/generator/AbstractGenerator.java b/src/main/java/eu/siacs/conversations/generator/AbstractGenerator.java
index 649f767d..0c750765 100644
--- a/src/main/java/eu/siacs/conversations/generator/AbstractGenerator.java
+++ b/src/main/java/eu/siacs/conversations/generator/AbstractGenerator.java
@@ -31,7 +31,7 @@ public abstract class AbstractGenerator {
 			"urn:xmpp:ping",
 			"jabber:iq:version",
 			"http://jabber.org/protocol/chatstates",
-			AxolotlService.PEP_DEVICE_LIST+"+notify"};
+			AxolotlService.PEP_DEVICE_LIST_NOTIFY};
 	private final String[] MESSAGE_CONFIRMATION_FEATURES = {
 			"urn:xmpp:chat-markers:0",
 			"urn:xmpp:receipts"
diff --git a/src/main/java/eu/siacs/conversations/generator/IqGenerator.java b/src/main/java/eu/siacs/conversations/generator/IqGenerator.java
index eff9d9c0..4e3025f0 100644
--- a/src/main/java/eu/siacs/conversations/generator/IqGenerator.java
+++ b/src/main/java/eu/siacs/conversations/generator/IqGenerator.java
@@ -261,8 +261,10 @@ public class IqGenerator extends AbstractGenerator {
 
 		register.setTo(account.getServer());
 		register.setId(id);
-		register.query("jabber:iq:register").addChild(data);
-
+		Element query = register.query("jabber:iq:register");
+		if (data != null) {
+			query.addChild(data);
+		}
 		return register;
 	}
 
diff --git a/src/main/java/eu/siacs/conversations/generator/PresenceGenerator.java b/src/main/java/eu/siacs/conversations/generator/PresenceGenerator.java
index 9ac7d318..d9ad691c 100644
--- a/src/main/java/eu/siacs/conversations/generator/PresenceGenerator.java
+++ b/src/main/java/eu/siacs/conversations/generator/PresenceGenerator.java
@@ -39,7 +39,7 @@ public class PresenceGenerator extends AbstractGenerator {
 		}
 		packet.setFrom(account.getJid());
 		String sig = account.getPgpSignature();
-		if (sig != null) {
+		if (sig != null && mXmppConnectionService.getPgpEngine() != null) {
 			packet.addChild("x", "jabber:x:signed").setContent(sig);
 		}
 		String capHash = getCapHash();