Allow a custom SimpleCov adapter (aka profile)

This will fix the issue where code coverage is not fully reported for a Rails project or any other Ruby project containing files outside /lib.
Merge branch 'master' into patch-1

Conflicts:
	lib/code_climate/test_reporter.rb
Use the configuration to store the SimpleCov profile
Remove the ENV variable as requested
Merge pull request #19 from weppos/patch-1

Allow a custom SimpleCov adapter (aka profile)