bump i18n gem to 0.6.8
bump i18n gem to 0.6.8

Change-Id: I538cfa61ba25d10f79d1de09b69fbf3e76e718ae
Reviewed-on: https://gerrit.instructure.com/26919
Tested-by: Jenkins <d95b56ce41a2e1ac4cecdd398defd7414407cc08@instructure.com>
Reviewed-by: Jon Jensen <44f878afe53efc66b76772bd845eb65944ed8232@instructure.com>
QA-Review: Jeremy Putnam <b030d6d6f199f844ec424882be473c2ab9adc93b@instructure.com>
Product-Review: Brian Palmer <3cb4e1df5ec4da2c7c4af7c52cec8cf340a55a10@instructure.com>

Rvor/canvas-lms,utkarshx/canvas-lms,ShreniiNepal/shrenii_lmp,wimemx/Canvas,loganrun/pincan,sfu/canvas-lms,Jyaasa/canvas-lms,arrivu/hoodemo,wrdsb/canvas-lms,greyhwndz/canvas-lms,sfu/canvas-lms,arrivu/hoodemo,usmschuck/canvas,SwinburneOnline/canvas-lms,kyroskoh/canvas-lms,venturehive/canvas-lms,roxolan/canvas-lms,efrj/canvas-lms,wrdsb/canvas-lms,landonwilkins/canvas-lms,redconfetti/canvas-lms,wrdsb/canvas-lms,sfu/canvas-lms,tgroshon/canvas-lms,efrj/canvas-lms,redconfetti/canvas-lms,grahamb/canvas-lms,Jyaasa/canvas-lms,venturehive/canvas-lms,fronteerio/canvas-lms,HotChalk/canvas-lms,wye0220/shindig-canvas,skmezanul/canvas-lms,SwinburneOnline/canvas-lms,ShreniiNepal/shrenii_lmp,ShreniiNepal/shrenii_lmp,kyroskoh/canvas-lms,grahamb/canvas-lms,va7map/canvas-lms,juoni/canvas-lms,utkarshx/canvas-lms,wye0220/shindig-canvas,roxolan/canvas-lms,antoniuslin/canvas-lms,skmezanul/canvas-lms,djbender/canvas-lms,jay3126/canvas-lms,tgroshon/canvas-lms,arrivu/qibla-ecampus,fronteerio/canvas-lms,redconfetti/canvas-lms,loganrun/pincan,arrivu/arrivu-lms,venturehive/canvas-lms,Unow/canvas-lms,roxolan/canvas-lms,arrivu/qibla-ecampus,grahamb/canvas-lms,jay3126/canvas-lms,shidao-fm/canvas-lms,leftplusrightllc/canvas-lms,jay3126/canvas-lms,roxolan/canvas-lms,sfu/canvas-lms,kyroskoh/canvas-lms,sdeleon28/canvas-lms,greyhwndz/canvas-lms,shidao-fm/canvas-lms,greyhwndz/canvas-lms,antoniuslin/canvas-lms,arrivu/hoodemo,Unow/canvas-lms,utkarshx/canvas-lms,juoni/canvas-lms,HotChalk/canvas-lms,landonwilkins/canvas-lms,usmschuck/canvas,jay3126/canvas-lms,wimemx/Canvas,greyhwndz/canvas-lms,grahamb/canvas-lms,Jyaasa/canvas-lms,whalejasmine/canvas-lms,utkarshx/canvas-lms,usmschuck/canvas,sdeleon28/canvas-lms,ShreniiNepal/shrenii_lmp,wye0220/shindig-canvas,juoni/canvas-lms,va7map/canvas-lms,samuels410/greatlakes-lms,wrdsb/canvas-lms,shidao-fm/canvas-lms,redconfetti/canvas-lms,SwinburneOnline/canvas-lms,whalejasmine/canvas-lms,SwinburneOnline/canvas-lms,va7map/canvas-lms,samuels410/greatlakes-lms,djbender/canvas-lms,Rvor/canvas-lms,antoniuslin/canvas-lms,efrj/canvas-lms,arrivu/qibla-ecampus,sdeleon28/canvas-lms,Jyaasa/canvas-lms,landonwilkins/canvas-lms,whalejasmine/canvas-lms,sdeleon28/canvas-lms,HotChalk/canvas-lms,Rvor/canvas-lms,wimemx/Canvas,fronteerio/canvas-lms,va7map/canvas-lms,whalejasmine/canvas-lms,venturehive/canvas-lms,skmezanul/canvas-lms,Unow/canvas-lms,tgroshon/canvas-lms,Rvor/canvas-lms,kyroskoh/canvas-lms,djbender/canvas-lms,arrivu/arrivu-lms,leftplusrightllc/canvas-lms,samuels410/greatlakes-lms,djbender/canvas-lms,arrivu/arrivu-lms,juoni/canvas-lms,usmschuck/canvas,grahamb/canvas-lms,leftplusrightllc/canvas-lms,tgroshon/canvas-lms,samuels410/greatlakes-lms,fronteerio/canvas-lms,sfu/canvas-lms,efrj/canvas-lms,skmezanul/canvas-lms,antoniuslin/canvas-lms,loganrun/pincan,sfu/canvas-lms,leftplusrightllc/canvas-lms,HotChalk/canvas-lms,shidao-fm/canvas-lms,landonwilkins/canvas-lms,sfu/canvas-lms