resolve symlinks in local files

the tar libraries choke when checking valid
filenames because they don't resolve symlinks
Merge branch 'hotfix/1.0.2'
Merge pull request #245 from ptone/find-links-symlinks

resolve symlinks in local files
Merge branch 'release/1.1'
Merge branch 'release/1.2'
Merge branch 'release/1.2.1'
Merge branch '1.3.X'
Merge branch '1.3.X'
Fixed typo in some help messages
Merge pull request #955 from Zearin/master

Fixed typo in some help messages
Add os.path.expanduser call to normalize_path.

realpath by itself won't expand tildes, which could lead to things like:

pip wheel --wheel-path=~/wheels -r requirements.txt

Producing:

Destination directory: /home/foo/src/dir/~/wheels

Which is pretty much never what you wanted.
deprecate `pip bundle` and support for installing pybundle files
pip-1.4rc4
have pip release branch test using virtualenv release branch
Versioned commands consistent with python.

Fixes #1050
Fix functional test.
Default to disallowing external and insecurely hosted files
Fix tests with the new defaults
Merge pull request #1053 from pnasrat/1050-pep439-versioned-commands

Versioned commands consistent with python.
Merge pull request #1055 from pypa/default-externals-to-off

Default to disallowing external and insecurely hosted files