Bug 1028351 - [Vertical] Vertical App name should be localized r=tchevalier r=lightsofapollo
Bug 991460 - Allow adding apps to collections in verticalhome. r=kgrandon

- Make consts in grid_dragdrop upper case.
- Add a 'hovered' class to icons being hovered over in GaiaGrid
- Add a 'collection' class to collections in a GaiaGrid
- Add a larger rearrange delay when hovering over a collection
- Add a pulsing animation to collections when they're hovered over
- Add hook to drop icons into collections
- Add IAC to add apps to collections
Revert "Bug 1023419 - Unify strings in Firefox Accounts and Find my device. r=ggp"

This reverts commit 2f77e2686dcd3964498eaca68b244dc6df8c7bf2.
Merge pull request #20834 from 6a68/revert-bug-1023419

Revert "Bug 1023419 - Unify strings in Firefox Accounts and Find my devi...
Merge pull request #20831 from KevinGrandon/bug_1028351_take_2

Bug 1028351 - [Vertical] Vertical App name should be localized
Bug 1025854 - Remove invalid test. r=kgrandon
Merge pull request #20838 from daleharvey/1025854

Bug 1025854 - Remove invalid test. r=kgrandon
Merge pull request #20798 from KevinGrandon/Cwiiis-bug991460-squashed

Bug 991460 - Allow adding apps to collections in verticalhome.
Bug 1016227 - [Collection] Update icon when apps or background changes r=daleharvey