[CORD-2785] Refactor McastHandler and move to separated folder

Change-Id: I1f8ef7d51d57c90c4d29d79fa7e1ac9d0dbd4676
(cherry picked from commit 004d7cf78bf0228e23cbd17d19b2856c339c53e8)
6 files changed
tree: f6aaded5609b57e14c78fc86cf8e29697bb9d879
  1. BUCK
  2. app/
  3. pom.xml
  4. web/