Added useful information and links to Node's package.json

Fix typo in README.md

To ensure that we actually probe different ports

Fix typos 'proivde' -> 'provide' and 'e,g.' -> 'e.g.'

Fixing make install target for MacOS

Force-kill long running processes

Adding flaky attribute for tests.

To get at least some information on them

grpc: cpp_generator: fix pedantic warning on extra ';'

Fix pedantic warnings of form:

   myprotobuf.pb.cc:619:2: warning: extra ';' [-Wpedantic]
    };
     ^

Travis c++

"Upporting" commits from 0.5 into master.

Conflicts:
	INSTALL

Python code generator fixes.

Conflicts:
	.travis.yml

Conflicts:
	.travis.yml