Merge pull request #86 from nromanen/yurembo

DEMO
Merge pull request #87 from nromanen/master

DEMO
Merge pull request #88 from nromanen/yurembo

DEMO
Merge pull request #89 from nromanen/master

DEMO
email serv
validation on server
email client validation
Merge pull request #90 from nromanen/yurembo

Yurembo
Merge pull request #91 from nromanen/krivorotenko

Krivorotenko
Merge pull request #93 from nromanen/master

Merge