[IMRPOVED] Overall improvements to cookbook tests

* Added bootstrap script to install gems via bundler
* Updated Gemfile and Gemfile.lock
* Added rubocop tests and configuration
* Updated all files to pass rubocop tests

Still needs work to run properly again.
[REVERT] Removed mysql ref in Berksfile
[FIX] Allow fetching gems online
[FIX] Rubocop error on Rakefile
Merge pull request #32 from TheSerapher/improvements

Improvements
[VERSION] 0.0.8 incremented
[FIX] Use proper login creds for Database calls
[UPDATE] Updated test suite
[MERGE] Fixing merge conflict
[IMPEOVED] Package installation process

* Added package checksum to remote_file
* Added notification chain for downloaded files

This will allow installations to properly continue on partial downloads.
Merge pull request #33 from TheSerapher/package-checksums

[IMPEOVED] Package installation process
[0.1.0] Small updates
Merge branch 'next'