Log Message:
devel/ruby-docile: update to 1.3.0

## [v1.3.0 (Feb 7, 2018)](http://github.com/ms-ati/docile/compare/v1.2.0...v1.3.0)
  - Allow helper methods in block's context to call DSL methods
  - Add SemVer release policy explicitly
  - Standardize on double-quoted string literals
  - Workaround some more Travis CI shenanigans

## [v1.2.0 (Jan 11, 2018)](http://github.com/ms-ati/docile/compare/v1.1.5...v1.2.0)

  - Special thanks to Christina Koller (@cmkoller)
    - add DSL evaluation returning *return value of the block* (see \ 
`.dsl_eval_with_block_return`)
  - add an example to README
  - keep travis builds passing on old ruby versions