Update the about.rst
Correct names
Add random_motor to Environment and clean it
Fix an important bug in simple arm
The last segment was not the good size. Modify HD configurations in
consequence.
clean pendulum and other little stuffs
Improve learning curve plots (axes and labels)
Prevent an error when building the doc.
Update the ExperimentPool doc.

Fixes #5
Update installation doc.
Update README.md
Add notebook basic explanation.
Update README.md
remove n_bootstap from experiement
Merge branch 'master' of github.com:flowersteam/explauto

Conflicts:
	explauto/environment/pendulum/pendulum.py
Add testcases in environment configs
Add ExplautoNoTestCasesError
one more
Adapt evaluation to new testcases
Uses the new test cases in xp, pool and evaluation.
add low_dim arm test case temporary