Adding an optional gmail-style select all to nutupane

Currently only enabled for systems and not yet used by bulk actions.
Re-write of bulk actions will take place next to use this.
Bastion: fix @include causing asset compilation to fail, fixes #3495.
Merge pull request #3496 from waldenraines/fix-shadow

Bastion: fix @include causing asset compilation to fail, fixes #3495.
Update ngUpload to latest

Also updated places in code where we use ngUpload
Converting system group bulk action to new select all
Merge pull request #3478 from jlsherrill/selectall2

Adding an optional gmail-style select all to nutupane
Merge pull request #3486 from parthaa/ng-upload

Update ngUpload to latest
Bastion: Adding Nutupane GPG Keys page.