Add Make targets integration-tests and valgrind-tests
Add integration tests for client ID get/set messages
- Also remove the useless response for the client ID set message
- Add more groove build targets like `gdb-tests` and `lldb-tests`
Add make target valgrind-integration-tests
Merge branch 'feature/bch/add-clientid-integration-tests' of github.com:basho/riak-c-client into feature/bch/add-clientid-integration-tests

Conflicts:
	Makefile.am
Merge pull request #69 from basho/feature/bch/add-clientid-integration-tests

Add Integration Tests for Get/Set Client ID