Add uinstall as an alias
Provide better guidance on conda create error

This comes out of our discussion on Flowdock and PR #963.  This provides
the user with an obvious next step to perform.
Give a better error message
Only use setuptools if doing a develop
Print whether or not we are using setuptools
Use Windows paths on Windows in setup.py
Add missing quotation mark
Merge pull request #1007 from conda/fix/typo

Add missing quotation mark
Revert "Add missing quotation mark"
Merge pull request #1008 from conda/revert-1007-fix/typo

Revert "Add missing quotation mark"
ENH: Added graph sort to conda dependency resolution
conda update conda first

This should hopefully avoid the error with circular dependencies in older
versions of conda.
TEST: added toposort tests
FIX: for python3
Merge pull request #946 from conda/add-uninstall-alias

Add uninstall as an alias to remove
Add --root command to allow getting the root directory
Merge pull request #1011 from conda/feature/info-root

Add --root command to allow getting the root directory
ENH: removed obsolete code

@asmeurer
ENH: updated cycle detection to pop sorted key

`pop_key` will pop an item from the graph that has the fewest dependencies
In the case of a tie, the winners will be sorted alphabetically.

cc @mattpap @asmeurer
FIX: python3