Added virtualbox box dependency
Moved builder info in a hash
Use Rake::FileList and build directories after builders
Cleaned old stuff
Moved builder directory file operation
Set default task
Build_all depends on each box build task
Match box files with packer.json files
Cosmetics
Removed unused tasks
Create builder output folder from box filename
Actually create folder for builder output
.box rule now replace task :build
Compacted tasks in Rake::FileList loop
Changed folder for generated metadata
Renamed source for metadata.json
build_metadata is now a rule
Wrong path for config.json during packer build