improved pkg/email code

Merge pull request #5 from wtask/hotix/v0.5.3_typos

petty refactoring

project has dockerized

Merge pull request #4 from wtask/feature/dockerize

Feature/dockerize

Improve code structure for internal packages.

This is a maintenance release. No new feauters are added.

support for golang module

Merge pull request #2 from wtask/feature/migrate-to-gomod

Feature/migrate to gomod

worked prototype

Feature/prototype (#1)

* proto:added REST service stub endpoints

* proto: added url groups

* proto: improve middleware

* proto:fix comment

* proto:project layout is improved

* proto:poor email validation

* proto:added email validation package

* proto:readme

* proto:app readme

* proto:added mailto.Address nil receiver test

* proto:fix typo in test

* proto:change test message

* proto:+

* proto:fix content-type header

* proto:improve project structure

* proto: rename mailto pkg

* proto:mysql repo preparation

* proto:internal storgae draft

* proto: support config and  db storage

* proto:configure from env or app flag

* proto:add mysql storage options

* proto:war of tokens

* proto:fix typo

* proto:hasher+bearer

* proto:bearer authorization

* proto:server build,user model gorm tagging

* proto:login+register

* proto:get user, get users like preview

* proto:users have prefix for ajax search preview

* proto:find users have prefix

* proto:money transfer completed

* proto:rename replies

* proto:comment fix

* proto:repeat transfer

* proto:planned methods has completed

* proto:dep ensure -update

* proto:extend readme

* proto:readme +