Firsts version of the drive fake signal generator.

Changed value initialization in the C++ drive code.
Refactored the fake signal generator as a pyunit test.
More refactoring on the fake signal test file.
Fake test now working for some values.

Some others remain to be define.
Drive package restructured and new templates generated.

Moved the drive fake data testing with the other tests.
Added the rwestenb changes to drive.
Generated new templates to fit this modifications.
The fake data testing doesn't test the phases yet.
Merge branch 'new_drive_tests'