Revert "Made tabBar a child of collapsingBar"
Revert "Made tabBar a child of collapsingBar"

This reverts commit 93e6769141cf055cba825221f05e0950f8f50526.

grahammendick/navigation,grahammendick/navigation,grahammendick/navigation,grahammendick/navigation,grahammendick/navigation,grahammendick/navigation,grahammendick/navigation