Add method SetTitle to ProgressDialogController
Extracted ProgressDialogController to seperate class.
Removed unused using declarations.
Revert "Removed unused using declarations."

This reverts commit 7af86a60168acf4cf1fee8c614e59927154047f3.
Merge pull request #1316 from xxMUROxx/ProgressDialog-SetTietle

Possibility to set title