[AETHER-453] Improves trellis-t3 build

Gitignore mvn_settings.xml and dependencies.xml.
As side effect merging this patch will publish the app on sonatype

Change-Id: I35b10e5b0fa4388478608a0a8204831dd098519a
diff --git a/.gitignore b/.gitignore
index 0b6585a..01a995c 100644
--- a/.gitignore
+++ b/.gitignore
@@ -8,3 +8,5 @@
 *.iml
 .idea
 .DS_Store
+mvn_settings.xml
+dependencies.xml