Merge pull request #572 from jeff1evesque/doc_linux_packages

#571: README.md, Adjust 'Linux Packages' Subsection
#475: form_validator.js, add class
#475: form_validator.js, add 'class rule' wrapper
#475: form_validator.js, add comment
#475: form_validator.js, call validate methods
#475: form_validator.js, adjust comment
#475: form_validator.js, define and use 'form_to_validate'
#475: form_validator.js, remove unnecessary space
#475: form_validator.js, 'addMethod' equals
#432: jquery-validate.js, update file to correct v1.13.1
Merge pull request #573 from jeff1evesque/js_jquery_validate

#432: jquery-validate.js, update file to correct v1.13.1
Merge branch 'master' into js_form_validator
#432: jquery-validate.js, use v1.9.0
Merge pull request #574 from jeff1evesque/js_jquery_validate

#432: jquery-validate.js, use v1.9.0
Merge branch 'master' into js_form_validator
#475: form_validator.js, properly define, and implement 'addMethod'
#475: form_validator.js, properly define, and implement 'addMethod' (array)
#432: jquery-validate.js, reimplement v1.13.1
Merge pull request #575 from jeff1evesque/js_jquery_validate

#432: jquery-validate.js, reimplement v1.13.1
Merge branch 'master' into js_form_validator