Elasticsearch request timeout now configurable.

Conflicts:
	src/app/controllers/dash.js
	src/app/services/dashboard.js
	src/app/services/esVersion.js
	src/app/services/fields.js
	src/app/services/filterSrv.js
	src/app/services/kbnIndex.js
	src/app/services/querySrv.js
	src/vendor/elasticjs/elastic-angular-client.js
Fixed aliases URL being double encoded.
request_timeout setting for kbnauth