Issue #77 is fixed.
#127. Added UX language requirement to UC1
Formalized UC9.1/1 using "reads" elementary use case.
Defined front page as a type
requs 1.9
Merge branch 'master' of github.com:yegor256/thindeck
attrs removed
#master: removed all seals
requs 1.10.1
Descrition of displayed usage data is updated in UC5
Merge pull request #137 from andrewbol/Issue-77

#137: pull request Update main.req
UC11 where User logs out is added.
Merge pull request #178 from andrewbol/Issue-108

#178: pull request UC11 where User logs out is added.
Merge pull request #166 from andrewbol/Issue-42

#42: Description of displayed usage data is updated in UC5
Merge pull request #160 from antonxt/156

Formalized UC9.1/1 using "reads" elementary use case
Merge pull request #153 from antonxt/127

#127. Added UX language requirement to UC1
Merge branch 'master' of https://github.com/yegor256/thindeck into 157
Decreased ambiguity by moving "lists" elementary use case from informal to a main use case flow UC4/1