Add dotfiles and tox.ini

Author: wickman

.gitignore

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+*~
+*.pyc
+*.egg-info
+build/*
+dist/*
+.tox
+.coverage
+tests/htmlcov

.reviewboardrc

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+REVIEWBOARD_URL = 'https://rbcommons.com/s/twitter/'
+REPOSITORY = 'pex'

tox.ini

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+# Tox (http://tox.readthedocs.org) is a tool for running tests
+# in multiple virtualenvs.  This configuration file will run the tornado
+# test suite on all supported python versions.  To use it, "pip install tox"
+# and then run "tox" from this directory.
+
+[tox]
+envlist =
+        # Basic configurations: Run the tests in both minimal installations
+        # and with all optional dependencies.
+        py26,
+        py27,
+        py33,
+        py34,
+        pypy
+
+[testenv]
+commands = py.test --basetemp={envtmpdir} -n 4 {posargs:}
+
+deps =
+    pytest
+    pytest-cov
+    pytest-xdist
+
+# python will import relative to the current working directory by default,
+# so cd into the tox working directory to avoid picking up the working
+# copy of the files (especially important for the speedups module).
+changedir = tests
+
+# tox 1.6 passes --pre to pip by default, which currently has problems
+# installing pycurl and monotime (https://github.com/pypa/pip/issues/1405).
+# Remove it (it's not a part of {opts}) to only install real releases.
+install_command = pip install {opts} {packages}
+
+[testenv:py26]
+basepython = python2.6
+
+[testenv:py27]
+basepython = python2.7
+
+[testenv:coverage]
+basepython = python2.7
+commands = py.test \
+    --basetemp={envtmpdir} \
+    -n 4 \
+    --cov=pex --cov-report=term-missing --cov-report=html \
+    {posargs:}
+
+[testenv:py33]
+basepython = python3.3
+
+[testenv:py34]
+basepython = python3.4
+
+[testenv:pypy]
+basepython = pypy
+
+[testenv:jython]
+basepython = jython