Refactor buck external dependencies

Change-Id: Ia4b99493407eb7d4e893804cba6b944f758f085e
diff --git a/apps/events/BUCK b/apps/events/BUCK
index 3b95037..54fa135 100644
--- a/apps/events/BUCK
+++ b/apps/events/BUCK
@@ -1,7 +1,9 @@
 COMPILE_DEPS = [
     '//lib:CORE_DEPS',
+    '//lib:JACKSON',
     '//lib:org.apache.karaf.shell.console',
     '//cli:onos-cli',
+    '//lib:joda-time',
 ]
 
 osgi_jar_with_tests (