Check if urlopen returns None (fixes #228)
Don't export PS1 variables in activate

Fixes #227.
Print the prefix in the conda update not installed error string

Fixes #170.
Updated doc commands reference for conda 1.8
Only directories can be environments
Merge branch 'master' of github.com:ContinuumIO/conda
Always rehash at the end of activate and deactivate
Use ping as a timeout on Windows
First pass a testing the windows batch linking before we do it
Print if it passed or failed
Put in some print statements
More print statements
More print statements
Debugging
Use the builder rm_rf
Print the exception
More debugging
It helps if you use the right name
Fix the cleanup
Make the full directory