Revert "Revert "progress bar and fixed layout""

This reverts commit 2455ceeaba882d2b5c48b6499e5302537840f25d.
Revert "Revert "added rating bars to welcome page but couldn't test the update functionality without the tablet""

This reverts commit e29bf93761c0e3f3ac9aaf6305767727c46158b1.
Revert "added rating bars to welcome page but couldn't test the update functionality without the tablet"

This reverts commit 9b289c76257c3a6d7db5783cc7a197d5d10f0991.