iTest 1.4.0 released

Changes:

- added Italian translation
- added an advanced scoring system
- added multiple choice questions support
- upgraded from Qt 4.3.2 to Qt 4.4.0
- numerous bug-fixes and more...
iTestServer (formerly Database Editor)
- added the ability to create classes with students
- added the ability to set the (minimum) number of questions in a test for each flag separately
- added support for up to 9 answers and the ability to set this number for each question separately
- advanced test printing options, random order of questions in each printout, the ability to print keys to tests
- improved appearance under Mac OS X
- new database format - older versions of iTest cannot open the new itdb 1.4 files, iTest 1.4 can still open older databases
- code clean-up, code sharing with iTestClient
iTestClient (formerly Test Writer)
- added support for up to 9 answers
- code clean-up, code sharing with iTestServer