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* added user/root mode and ability to soft-link across filesystems
* added create --clone option for copying local environments
* fixed behavior when installing into an environment which does not
exist yet, i.e. an error occurs
* fixed install --no-deps option
* added --export option to list command
* allow building of packages in "user mode"
* regular environment locations now used for build and test
* add ability to disallow specification names
* add ability to read help messages from a file when install location is RO
* restore backwards compatibility of share/clone for conda-api
* add new conda bundle command and format
* pass ARCH environment variable to build scripts
* added progress bar to source download for conda build, issue 230
* added ability to use url instead of local file to conda install --file
and conda create --file options