Merge pull request #1 from timurkhafizov/master

Add new ApiResponder which ignores `location` parameter for api formats
Define new simplecov profile, that excludes some excess files from coverage reporting
Move simplecov profiles to lib/extensions
Merge pull request #3 from timurkhafizov/exclude-excess-files-from-simplecov-coverage-reporting

Define new simplecov profile, that excludes some excess files from coverage reporting