* adding database.version in the serverInfo (only MongoDB, it gives undefined when using Postgres)
* . correction of old 'features' tests
. adding engine and database in the StorageAdapter interface and implementations
* . version retrieval done in performInitialization
. PostgreSQL version
* performInitialization now returns a Promise
* removes from emailverificationtoken spec
* updates winston
* Updates ValidationAndPasswordsReset
* Use local request in schemas
* Removes request in rest.spec
* Removes request from PushRouter0
* removes request from public API
* removes request from index.spec
* Removes request form parse.push spec
* removes request from ParseInstallation spec
* Removes from ParseHooks
* removes request from ParseGlobalConfig.spec
* Removes request from ParseAPI.spec.js
* removes request from LogsRouter
* removes in features
* Filters undefined headers instead of crashing
* Removes request from ParseUser spec
* Removes usage of request in ParseFile.spec.js
* Removes request from AuthAdapters.js
* removes request-promise from ParseGeoPoint.spec
* Removes request-promise from ParseQuery spec
* remove request-promise from UserPII
* removes request-promise from EnableExpressErrorHandler
* Updates RevocableSessionUpgrade spec
* Update RestQuery
* Removes read preferenceOptionM
* ensure we forward auth from URL
* use request in CloudCode.spec.js
* Removes request-promise from JobSchedule.spec
* Removes rp from VerifyUserPassword.spec.js
* Removes rp from PasswordPolicy spec
* Removes rp from ParsePolygon spec
* Removes rp from fullTextSearch spec
* Removes rp from PArseQuery.Aggregate
* Ensure we properly forward errors
* Removes request and request-promise
