Drop fluentd as the instalation is not working well
  Stop rsync logs and use symlink
  Clean up installation
  Make network bench use parameters instead of a static test list.

Via installing Products.signalstack

    https://pypi.python.org/pypi/Products.signalstack

/reviewed-by @Tyagov

Conflicts:
	software/kvm/common.cfg
	software/wendelin/software.cfg

Redirect in nginx does not behave the same depending on wether it is
accessed directly or behind apache proxy.

- name wrapper bash, not sh as bash behave like sh when named sh
- add -l so that bash runs as login shell and reads .bash_profile
- enable colors in profile
- output a message in profile
- remaining TODOs: a working slapos node command