In #1359, we discovered that StartTLS was not working\
due to the wrong host passed. This bumps the library for the fix.
Also, after a switch to go-pkgz/notify MailGun email sending
broke due to the difference in the destination email parsing,
the fix is also applied after this commit.
* fresh vendor
* enforce vendor flag with env
* move tree to service package
* move controllers routing to rest.go, remove separate subrouters
* cleanup/formatting
* missing vendor packages
* move rss, img proxy, robots and getstarted to top-level routes
* simplify logger middleware usage
* randomize server test ports
* check for non-admin in admin tests
* lint: minor warns
* admin test to jwt admin
Dmitry VerkhoturovandUmputun
