Develop integration w09

Summary of changes:
- bug fixes

See merge request !128

Bug reported by Bruno Mongazon from Nokia.

"Without this line, the config file parameter is not properly stored and
the FH will always work with compression."

Bug reported by Bruno Mongazon from Nokia.

 in dlsim_tm4 to distinguish from the old runs.

mcs1 was taken instead of mcs2 in several places.

Develop integration w08

Summary of changes:
- various bugs fixed
- pre-commit script for better indentation: see commit 068ce4ca
  For the moment, each contributor has to enable the script (and install astyle) by hand.
  Maybe at some point the script will be mandatory.

See merge request !124

Before that the scaling was aplied in precoder.
Now it is done in sqrt_rho_a and sqrt_rho_b.
For TM4 there still remains 1/sqrt(2) instead of
1/2 both at the transmitter and receievr side.