Merge branch 'xabber' into 'master'

Update Xabber alpha release

See merge request !560

metadata/com.xabber.androiddev.txt

@@ -103,6 +103,15 @@ Build:0.10.17,114
     prebuild=sed -i -e '/otr4j.jar/d' build.gradle && \
         cp -fR $$Otr4j$$/src/net src/main/java
 
+Build:0.10.18,115
+    commit=d5cdd17976
+    subdir=app
+    gradle=yes
+    srclibs=Otr4j@7fb42b2ef912fe664064edf717a6b72ce77ccb3b
+    rm=app/libs/*.jar
+    prebuild=sed -i -e '/otr4j.jar/d' build.gradle && \
+        cp -fR $$Otr4j$$/src/net src/main/java
+
 Maintainer Notes:
 * Untagged 0.10.10+ builds are pre-releases from the "develop" branch. Don't
   switch to UCM:RepoManifest/develop, we want the CV to be in sync with the