Code cleanup

[sylvainhalle]

A few files do not follow the coding conventions.

Example:

synthia/Source/Core/srctest/ca/uqac/lif/synthia/random/GaussianFloatTest.java

Line 6 in 1540b0d

public class GaussianFloatTest {

1. The curly bracket should be on the next line
2. The file does not have the boilerplate GNU/GPL comment at the beginning
3. Indentation is made with spaces instead of tabs