Make backup-manager fully configurable
- Replaced all configuration variables in backup-manager-conf with Chef attributes
- Created cookbook default attributes based on the basic backup-manager configuration
- Moved README.rdoc to READM.md and completed documentation about all configurable attributes
Refactoring variable schema for tarball directories
- Renamed local_folder to tarball_directories to fit better backup-managers
  config variable name schema
Version bump and add support for berkshelf, Travis-CI and foodcritic
- Created .gitignore
- Added kitchen support and created a test-kitchen
- Created Travis-CI file and initialized basic test suite
- Version bump to 0.0.3
Merged join to array for tarball_directories