* add subscription link support to notification email verification template
* always show token for email subscription in verification email
* hide SubscribeURL from users
* improve TestServer* reliability
* improve TestService_UserReplies reliability
* increase timeout for Test_Main
* improve TestRest_CreateWithPictures readability and reliability
* introduce random port to REST over SSL tests
* tinker TestRest_InfoStreamSince to have more slack before failure
* finalize test errors check unification
* simplify prepServerApp in cmd package tests
* improve TestRest_InfoStreamCancel reliability
* add API methods for setting and deleting email
* fix service.SetStringUserDetail signature to return string
* switch table test with description to t.Run()
* remove debug logging
* clarify error handling, functions names
* add email integration test
* add information about email subscription to readme
* change email API calls method from PUT to POST
* typo fix, remove unneeded capturing of range variable
* email test draft
* fix notify mock, email notification test draft
* add MockDestination to startupT return
* fix tests
* add email retrieval for notifications sending
* fix mock for notify
* rearrange mock notify declaration
* add GET /email API handler, fix typos
* revert startupT signature change
* get rid of startupTWithDest workaround
* add rest examples for rest notification
* improve email messages formatting
* fix email send repeater location
* remove unneeded context from sendMessage
* change signatures of buildMessage functions to have same field name
* add missing authenticate call on TLS connection
* add dev user auth token to email requests
* change email verification template
* email code and tests cleanup
* replace fixed spaces with normal ones
* human-readable variables names for new comment reply notification
* rename Comment to CommentText
* add html for comment email notification
* fix comment notification html style
* fix email test
* fix notify email messages rendering
* fix comments on rest examples for email
* explicitly state email notify email template fields
* clarify email API documentation
* change email test not to check quoted-printable part of message
* Fix link color, add unsubscribe link
* fix rest examples tokens
* add UnsubscribeLink support to Email
* add unsubscribe email handler
* fix new reply notification email style
Dmitry VerkhoturovandUmputun