fix UploadDialogTest

robotium updated getText methods to work with regex.
the string project_rename contained "(" and ")".
these characters need to be escaped - otherwise solo.getText can
not return the textview
Merge pull request #171 from Catrobat/FixUploadDialogTest

Fix UploadDialogTest
Merge branch 'master' of ssh://git@github.com/Catrobat/Catroid.git into xstream_testing