Summary of changes:

- updated copyright
 - several tempalate changes for the docs
 - added a config for grunt-contrib-watch
 - updated nock commit number
 - fixed the coverage script
 - removed the export_docs script
 - added error message for legacy "es" users who don't have a version locked and have not upgraded
 - host will now add auth to urls created with `#makeUrl()`
 - Log class no longer looks for `config.loggers`
 - The log class now properly escapes single quotes in trace logs
 - Removed compiled yaml_tests.js from the repo
 - Yaml suite will only log error and warning messages unless the VERBOSE env var is set
 - createDefer is now a global setting, changed by modifying Transport.createDefer fubction
 - wrote tests for Content-Type checking
 - callbacks will now return the body and status of the request (if the request has completed) when an error occurs
 - Stdio logger now adds "Elasticsearch " to the front of log messages to distinguish it from other output to stdout.

test/unit/test_stdio_logger.js

@@ -45,7 +45,7 @@ describe('Stdio Logger', function () {
     it('obeys the logger.color === false', function () {
       var logger = makeLogger();
       stub(process.stdout, 'write');
-      var withoutColor = 'INFO: ' + now + '\n  something\n\n';
+      var withoutColor = 'Elasticsearch INFO: ' + now + '\n  something\n\n';
 
       logger.color = false;
       logger.onInfo('something');
@@ -56,7 +56,7 @@ describe('Stdio Logger', function () {
       var logger = makeLogger();
 
       stub(process.stdout, 'write');
-      var withoutColor = 'TRACE: ' + now + '\n  curl\n  msg\n\n';
+      var withoutColor = 'Elasticsearch TRACE: ' + now + '\n  curl\n  msg\n\n';
 
       logger.color = true;
       logger.onTrace('msg', 'curl');