Warn when attempting to set a value to a readonly field
Merge pull request #1329 from jnicklas/warn_on_set_readonly

Warn when attempting to set a value to a readonly field
RSpec3 no longer beta
support for and/or compounding of rspec matchers with tests
Support RSpec expose_dsl_globally configuration option
Merge pull request #1328 from jnicklas/compound_matchers

support for and/or compounding of rspec matchers with tests
Merge pull request #1330 from jnicklas/rspec_scoping

Support RSpec expose_dsl_globally configuration option - fix issue #1285