Merge pull request #21 from malavolti/master

Optimized idp_metadata resource type
Merge remote branch 'upstream/master'
Merge pull request #22 from malavolti/master

New optimization for "idp_metadata.rb" type and added comments for "download_file.rb" type
Newline correction
Merge remote branch 'upstream/master'
Refactoring and Added Comments to some files. Puppet Code works well