Issue 3: DB isn't cleared in the window "new student"
Project Member Reported by ahtatoe....@gmail.com, Nov 12, 2013
1. Open the main application page 
2. Click on the tab "students"
3. Click the button "new"
4. Fill all fields
5. Click the button "Create"
1. Click the button "new" one more time

Expected output:
  DB must be cleared

Actual result:
  The window "new student" has previous history in all fields