Modified the udev to call the non-sudo python version

[glemaitre]

It is what I mean in the PR #16

[coveralls]

Coverage remained the same at 51.621% when pulling fbf01fa on glemaitre:setup_conda_fix into ba4c276 on Tigge:master.

[Tigge]

It is a bit better than the previous solution but I'm still not convinced, could you provide a bit more background as to what is the problem and why. If you are still interested please reopen as you see fit, thank you.

[glemaitre]

This is long time a ago but if I recall well, the issue was the following. The current setup.py script request to be executed as super-user (su). However, doing so, the python distribution used will be always the system one even with anaconda environment (or conda, virtualenv, or pip I supposed).

After some thoughts the current solution and this PR are wrong. This PR will not work if the user rely on the python system as in Ubuntu. You will need the sudo privileges to install it. However, the current solution is not working for the previous user-based environment mentioned.

So what seems to be the best is to split both udev and python package install. The udevadm and cp can be placed in a Makefile or a separate script. Therefore, the python setup file will only handle only python package related stuff.