Added common.hpp to add correct shared_ptr to scope
ndn-ns3: Resolve conflicts manually.
apps: Producer app ready
ndn-app-face: Fixing Interest, Data namespace
ndn-producer: Changes in included header files
wscript: Minor changes.
apps: Initial fixes of Consumer apps
helper: Namespace usage fixed.
model: Namespace usage fixed.
ndn-name: Deleted.
wscript: Minor changes
forwarder: Fix bug with shared_from_this.

Credits to Alex
Removed non-working tests cases and add simple ones for ndn-ns3
forwarder: Fix bugs.

Credits to Alex.
ndn-app: Fix bus.

Credits to Alex.
ndn-face: Fix bugs.

Credits to Alex.
ndn-forwarder: Fix bugs.

Credits to Alex.
ndn-net-device-face: Fix bugs.

Credits to Alex.
Some changes to make producer work
ndn-simple: Example modified