Merge pull request #790 from rsvato/agents

[RJA-1469] [feature] - Databags: delete link added
[RJA-1637][feature]: added built-in $envConfig workflow parameter.
Fixed groovy delegation bugs, unit tests.
Merge pull request #791 from ddurnev/agents

[RJA-1637][feature]: added built-in $envConfig workflow parameter.
[RJA-1469] [feature] - Project additional methods and links + refactoring