Fixed tooltips and iCheck (#6303)

* Fixed missing oauth tables during setup.

* Fixed duplicate style tag

This was causing webpack issues.

* Deleted erroneously created directory

* Removed duplicate imports

* Fixed tooltips, iCheck audit page

https://github.com/snipe/snipe-it/pull/6285#issuecomment-427235280

* Merge remote-tracking branch 'origin/#6285-Fixes' into #6285-Fixes
Fixed Manifest file