Revert "updated pca screenshots."

This reverts commit 9111a9d9e17897f2645b66ae999fe919b3fc4887.
Merge origin/master
Revert "Delete resumepwd.txt"

This reverts commit 50d8dd5ede30c479627c9953479d147409ab8380.
Revert "Revert "updated pca screenshots.""

This reverts commit 1621270e3ae9b398f93121141312c14c646fda77.