release with new Docker image

See #406, release log:

• 2fbfcfa by @yegor256: #406 java 8
• 974ef21 by @yegor256: #406 ssh client removed
• 7956466 by @yegor256: #406 config
• cb76ede by @yegor256: #406 chmod
• 88034a1 by @yegor256: #406 chmod
• 8000c99 by @yegor256: #406 deployment script
• 5fb788c by @yegor256: #406 rultor config fix
• dda827d by @paulodamaso: Merge pull request #430 from p...
• be809e5 by @paulodamaso: For #406: ssh confirmation
• e069228 by @paulodamaso: Merge pull request #429 from p...
• 50483de by @paulodamaso: For #406: adding ssh installat...
• dc1b98d by @rultor: Merge branch '__rultor'
• f646791 by @paulodamaso: Merge pull request #428 from p...
• 2dfbc39 by @paulodamaso: Merge remote-tracking branch '...
• 9f5591f by @paulodamaso: For #406: fixing image permiss...
• a0136ed by @paulodamaso: Merge pull request #427 from p...
• 7c31da4 by @paulodamaso: For #406: fix rultor integrati...
• 7dbc588 by @HDouss: #417 CR
• b92dc86 by @HDouss: #417 CR
• 31fc33e by @paulodamaso: Merge pull request #425 from p...
• and 125 more...

Released by Rultor 1.68.13, see build log