Implemented computer sort logic
Implemented sorting in pagination part of the computer list template
Added sort icons to the computer list template
Fixed bug where the wrong number of elements would be returned after a search query
Implemented sort feature for companies
Slightly optimized company & computer list templates
Merge branch 'feature/sort' into develop
Updated documentation
Added formatDate taglib function to format a java.util.Date object to a String from a JSP template
Removed Computer::getIntroducedAsString() and Computer::getDiscontinuedAsString()
Merge pull request #13 from heffebaycay/develop

Code release