Merge pull request learningequality#5903 from rtibbles/nullify_metaphone

Set stemmed_metaphone to blank on import.

Update VARIABLE to 0.12.9

Update CHANGELOG and VERSION for 0.12.8 (learningequality#5873)

Update CHANGELOG and VERSION for 0.12.8

Merge pull request learningequality#5874 from jonboiser/facility-moda…

…l-autofocus

Focus on username/full name fields after dismissing FacilityModal

Merge pull request learningequality#5834 from rtibbles/measure_twice_…

…load_once

Fix Hashi behaviour for Proyecto Descartes HTML5 content

Merge pull request learningequality#5824 from indirectlylit/merge-012

Merge 012 -> Develop

Merge pull request learningequality#5823 from indirectlylit/0.12.8-beta

0.12.8-beta

0.12.7 final (learningequality#5822)

0.12.7 final

Revert 5805 (learningequality#5820)

Revert 5805

0.12.7 beta (learningequality#5821)

0.12.7 beta