Prefer ifs to conditional assignments

• ifs are preferred over conditional assignments.
• Fixed memory leak on StreamSequence.cu when run_on_x86 was on and the condition rv != 0 was hit.
• Moved run_VeloUT_CPU.cpp to x86/veloUT/PrVeloUT.

assigned to @dovombru

added 1 commit

• 378e7427 - short include path

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merged