Guard against NS_ERROR_FILE_CORRUPTED errors, remove broken use of localStorage.hasOwnProperty
Remove unused bit of CSS from homepage.less and move inline bit of CSS into homepage.less
Merge remote-tracking branch 'nikki/css-homepage-tweaks' into beta

* nikki/css-homepage-tweaks:
  Remove unused bit of CSS from homepage.less and move inline bit of CSS into homepage.less
Merge branch 'ns-error-file-corrupted' into beta

* ns-error-file-corrupted:
  Guard against NS_ERROR_FILE_CORRUPTED errors, remove broken use of localStorage.hasOwnProperty