[RJA-1804][fix] executor actor is alive ping
[rja-xxx][fix] f%%k metrics
Merge pull request #830 from bugzmanov/Release_2_0_0

actor bugs
[RJA-xxx][fix] serial version id for deployment attributes
Merge pull request #831 from bugzmanov/Release_2_0_0

[RJA-xxx][fix] serial version id for deployment attributes
[RJA-1818][fix] security by obscurity
Merge pull request #834 from bugzmanov/Release_2_0_0

[RJA-1818][fix] security by obscurity
[RJA-1821][fix] Read-only User should not see 'Edit' in System Roles
Merge pull request #835 from bugzmanov/Release_2_0_0

[RJA-1821][fix] Read-only User should not see 'Edit' in System Roles
[rja-xxx][fix] metrics for groovy template service and abstractrepo
Merge pull request #836 from bugzmanov/Release_2_0_0

[rja-xxx][fix] metrics for groovy template service and abstractrepo
[rja-xxx][fix] authority service metrics
Merge pull request #837 from bugzmanov/Release_2_0_0

[rja-xxx][fix] authority service metrics
[RJA-xxx][fix] SAMAccountName is not mandatory in some organizations
Merge pull request #839 from bugzmanov/Release_2_0_0

[RJA-xxx][fix] SAMAccountName is not mandatory in some organizations
[maven-release-plugin] prepare release release-2.0.0
[maven-release-plugin] prepare for next development iteration