Add jedi:make-env command
Add python-environment in Carton

Let's Use melpa until I upload python-environment.el
Use python-environment-bin to set jedi:server-command
Set jedi:environment-root in full path in Makefile
Remove unneeded -Q option for Emacs in Makefile
Remove requirements.txt
Update jedi version in jedi:make-env--command
Check dir/file existence after make elpa/env
Use default value for jedi:environment-root
Check that test suite does not contaminate user space
Show some useful info when server fail to start
Add autoload cookie
Better way to show error when server fails
Document python-environment stuff
Document new installation method
Remove confusing comment from doc/source/index.rst

index.rst is not dynamically created since this commit:
69f58e5d3c99620e3303c96fd4745a4a2b9fe18c
Fix link references in doc/source/index.rst
Fix link to Travis CI
Rename: s/jedi:make-env/jedi:install-server/g
Bump to 0.2.0alpha1