Bug 453254 / CQ 8944 - RequireJS 2.1.15

https://dev.eclipse.org/ipzilla/show_bug.cgi?id=8944
Bug 453254 - fix loader issues with RequireJS 2.1.15
* Update eslint loader config
* Update PageLinks.js #getOrionHome()
DiffParser: Added support to pickup the original diff text from the diff array.