Log Message:
Update ruby-simplecov to 0.11.2.

## Enhancements

## Bugfixes

0.11.2 2016-02-03 \ 
([changes](https://github.com/colszowka/simplecov/compare/v0.11.1...v0.11.2))
=================

## Enhancements

* Do not globally pollute Array and Hash with `merge_resultset` utility methods. \ 
See [#449](https://github.com/colszowka/simplecov/pull/449) (thanks @amatsuda)
* Do not `mkdir_p` the `coverage_path` on every access of the method (See \ 
[#453](https://github.com/colszowka/simplecov/pull/453) (thanks @paddor)
* Fixes a Ruby warning related to the `track_files` configuration. See \ 
[#447](https://github.com/colszowka/simplecov/pull/447) (thanks @craiglittle)
* Add a group for background jobs to default Rails profile. See \ 
[#442](https://github.com/colszowka/simplecov/pull/442) (thanks @stve)

## Bugfixes

* Fix root_filter evaluates SimpleCov.root before initialization. See \ 
[#437](https://github.com/colszowka/simplecov/pull/437) (thanks @tmtm)