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* Update embedded pip to version 1.1.
* Fix `--relocatable` under Python 3. Thanks Doug Hellmann.
* Added environ PATH modification to activate_this.py. Thanks Doug
Napoleone. Fixes 14.
* Support creating virtualenvs directly from a Python build directory on
Windows. Thanks CBWhiz. Fixes 139.
* Use non-recursive symlinks to fix things up for posix_local install
scheme. Thanks michr.
* Made activate script available for use with msys and cygwin on Windows.
Thanks Greg Haskins, Cliff Xuan, Jonathan Griffin and Doug Napoleone.
Fixes 176.
* Fixed creation of virtualenvs on Windows when Python is not installed for
all users. Thanks Anatoly Techtonik for report and patch and Doug
Napoleone for testing and confirmation. Fixes 87.
* Fixed creation of virtualenvs using -p in installs where some modules
that ought to be in the standard library (e.g. `readline`) are actually
installed in `site-packages` next to `virtualenv.py`. Thanks Greg Haskins
for report and fix. Fixes 167.
* Added activation script for Powershell (signed by Jannis Leidel). Many
thanks to Jason R. Coombs.