Nodeenv

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- Fixed a few spelling typos in README. See ` 74`_
- Fixed example of using --update option in README. See ` 74`_
- Improved args passing into shim script. See ` 75`_
- Try to find ``nodejs`` if used system-wide node as well. See ` 76`_
- Added ``assert`` if used system-wide node and it wasnt found. See ` 76`_
- Added ``-l`` option into ``freeze`` command. See ` 71`_

.. _ 71: https://github.com/ekalinin/nodeenv/issues/71
.. _ 74: https://github.com/ekalinin/nodeenv/issues/74
.. _ 75: https://github.com/ekalinin/nodeenv/pull/75
.. _ 76: https://github.com/ekalinin/nodeenv/pull/76

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- Fixed support for python2.6. See ` 70`_

.. _ 70: https://github.com/ekalinin/nodeenv/issues/70

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- Fixed npm when using prebuilt binaries on Mac OS X. See ` 68`_
- Fixed using ``system`` node under python3.4. See ` 43`_
- If used ``system`` node script ``bin/node`` always overwritten

.. _ 68: https://github.com/ekalinin/nodeenv/issues/68
.. _ 43: https://github.com/ekalinin/nodeenv/issues/43

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- Fixed infinite loop when system-wide node used. See ` 67`_

.. _ 67: https://github.com/ekalinin/nodeenv/issues/67

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- Fixed 'shim' script if used system-wide node
- Fixed shebang in the 'shim'
- Added shim with name 'node' in case of using system-wide node

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- Added `shim` script. See ` 59`_

.. _ 59: https://github.com/ekalinin/nodeenv/issues/59