feat(rule): add pipe-prefix rule

[sneas]

Following #519 and #593 discussions adding pipe-prefix rule and pointing users to it in pipe-naming deprecation.

[sneas]

@mgechev thanks for codelyzer and please let me know if anything should be updated and if this PR makes any sense at all.

I'm not sure about messages correctness. English language is not my strongest side.

[sneas]

I've just discovered some test cases cause this error:

AssertionError: end char doesn't match: expected { line: 2, character: 25 } to deeply equal { line: 2, character: 24 }
    at Function.assert.deepEqual (/Users/travis/build/mgechev/codelyzer/node_modules/chai/lib/chai/interface/assert.js:216:32)
    at assertFailure (/Users/travis/build/mgechev/codelyzer/dist/test/testHelper.js:126:23)
    at Object.assertAnnotated (/Users/travis/build/mgechev/codelyzer/dist/test/testHelper.js:90:16)
    at Context.<anonymous> (/Users/travis/build/mgechev/codelyzer/dist/test/pipePrefixRule.spec.js:8:26)
    at callFn (/Users/travis/build/mgechev/codelyzer/node_modules/mocha/lib/runnable.js:383:21)
    at Test.Runnable.run (/Users/travis/build/mgechev/codelyzer/node_modules/mocha/lib/runnable.js:375:7)
    at Runner.runTest (/Users/travis/build/mgechev/codelyzer/node_modules/mocha/lib/runner.js:446:10)
    at /Users/travis/build/mgechev/codelyzer/node_modules/mocha/lib/runner.js:564:12
    at next (/Users/travis/build/mgechev/codelyzer/node_modules/mocha/lib/runner.js:360:14)
    at /Users/travis/build/mgechev/codelyzer/node_modules/mocha/lib/runner.js:370:7
    at next (/Users/travis/build/mgechev/codelyzer/node_modules/mocha/lib/runner.js:294:14)
    at Immediate._onImmediate (/Users/travis/build/mgechev/codelyzer/node_modules/mocha/lib/runner.js:338:5)
    at runCallback (timers.js:696:18)
    at tryOnImmediate (timers.js:667:5)
    at processImmediate (timers.js:649:5)

Fixed with this commit f388737