Moved validity checks inside l2TunnelHandler.

Moved every validity check for pseudowires inside the handler
itself, this simplified the usage of handler methods from within
the SegmentRoutingManager. Further, improved the api for removing
pseudowires of the l2tunnel handler.

Change-Id: Idb2607aa546b0734add29d446cbedfd3b23c46bb
3 files changed
tree: ba2a2de310642d6bdf1cd5aeb1653ce237c15826
  1. BUCK
  2. app/
  3. pom.xml
  4. web/