Merge branch 'bugfix-96-Fix-build-script-for-16.04-installation-v3' of https://gitlab.eurecom.fr/oai/openairinterface5g into bugfix-96-Fix-build-script-for-16.04-installation-v3

libxslt1-dev is used at least for asn1 and usrp. It breaks the build when in
check_install_additional_tools().
Move it to to check_install_oai_software()

uhd is not part of ubuntu standard repositories >= 14.04.
Move the removal of uhd in its own space and do not fail if it doesn't exists.

That led to uplink two resource blocks to fail being decoded (not always),
due to wrong channel estimation. (As was the previous hotfix for five
resource blocks.)

This commit also includes some cleanup of some historical code that is
not relevant anymore.

the bigger prime number lower than 60 is 59, not 50

Merge branch 'feature-34-test_framework' of https://gitlab.eurecom.fr/oai/openairinterface5g into feature-34-test_framework

The distinction common space/user space still requires some
careful examination.

clang have changed its default standard to C11 compilation and is stricter.
Ensure use of gnu89 standard to use pthread extension for --castxml-gccxml

It can't link because nas_config.c and rb_config.c was commented.

Th struct SamplesPacket is a type declaration. It is not defined
in memory and thus samplesCount can't be declared static.
Transform it to true cpp static variable class as this is c++ source.

bladerf ppa don't publish packages for Ubuntu 16.04.
There are official packages for bladerf so we use these.

It breaks apt-get remove command