adding tests for arg2spec()
add another test
BUG: create directory in case it does not exist yet
update release date
add default packages dictionary
testing api
update changelog
BUG: conda list -c should only exit with return code 1 when no packages are packages are found
fixed behavior when installing into an environemtn which does not exist yet
add useful information for the user
update changelog
Make link do symbolic links if hard-link fails.
Make softlink optional.
Add user-mode configuration to conda/config.py
Add some documentation about which parts of conda need to take advantage of new conda.config parameter usermode.
Add pkgs_direcs config variable which is a list of 1 or more package directories to be used for linking in environments.
Minor correction to docs.
BUG: we cannot create softlinks on Windows
Fix CreateSymbolicLink for Windows XP