* Improve setup_rpm_repo
- add handlers to remove repos
- add variable to control whethere or not repos are created
* Use local repo for all distros
* Change repo creation script to module
* added integration tests for yum repository
* fixed escaped single quote
* extended yum_repository tests to include fedora
* removed unused variable file
* added check for return values
* replaced escaped double quotes with single quotes, switched to lookup for reading repofile