* test/runner.rb: reporting test coverage for test-all with COVERAGE env.
  [Feature #10189][ruby-core:64681]
* Makefile.in: added task for coverage report.
* common.mk: added definition of forked simplecov url.
* .gitignore: ignored coverage directory.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@47347 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
* 2014-09-02

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@47348 b2dd03c8-39d4-4d8f-98ff-823fe69b080e