Code clean

Removed empty lines.
Profile list update on profile delete
Fix error.
Code clean

UI clean on quitting profile selection with no athlete on the database.
fixed typo
Fixed problem on profile selection.

- "Ok" button and "Remove profile" button are now disabled when deleting 
the last athlete profile in the list.
Adde utility method.
Profile selection improved.
Fixed bad behaviour in profile selection.
Merge branch 'profileDeletion_Fix'