Merge pull request #66 from eitoball/adjust_gemfile_lock_files

Adjust path and version in gemfile lock files
Merge pull request #64 from eitoball/ignore_dot_ruby_version_and_gemset

Ignore .ruby-version and .ruby-gemset
add rails 4.0.0 gems
change to create test fixtures only once
suppress warnings by rails 4
delete unused gemfiles and lock files