pin scrypt gem
pin scrypt gem

2.1.0 has a permissions problem

Change-Id: Iadf1d031a758696d8e7291147d94c3a9bbe297f5
Reviewed-on: https://gerrit.instructure.com/73080
Reviewed-by: Alex Boyd <6bb5a335b0b6c251e818c0de653d342158f949f9@instructure.com>
Tested-by: Jenkins
Product-Review: Cody Cutrer <c4fe2b1d90ef8f2548c8aeabfa633434316f0305@instructure.com>
QA-Review: Cody Cutrer <c4fe2b1d90ef8f2548c8aeabfa633434316f0305@instructure.com>

fronteerio/canvas-lms,sfu/canvas-lms,HotChalk/canvas-lms,sfu/canvas-lms,fronteerio/canvas-lms,sfu/canvas-lms,fronteerio/canvas-lms,SwinburneOnline/canvas-lms,sfu/canvas-lms,SwinburneOnline/canvas-lms,HotChalk/canvas-lms,sfu/canvas-lms,roxolan/canvas-lms,djbender/canvas-lms,SwinburneOnline/canvas-lms,grahamb/canvas-lms,grahamb/canvas-lms,sfu/canvas-lms,djbender/canvas-lms,roxolan/canvas-lms,roxolan/canvas-lms,venturehive/canvas-lms,fronteerio/canvas-lms,venturehive/canvas-lms,grahamb/canvas-lms,grahamb/canvas-lms,venturehive/canvas-lms,djbender/canvas-lms,sfu/canvas-lms,venturehive/canvas-lms,grahamb/canvas-lms,SwinburneOnline/canvas-lms,roxolan/canvas-lms,djbender/canvas-lms,HotChalk/canvas-lms,HotChalk/canvas-lms