* CONDA_ADDON: option to build from an alternative build2.sh file
    (conda build --build2sh packagename)

plus minor adjustments: with patchelf: to print out
Update README.rst

wording
Merge pull request #13 from peter1000/addons

Addons

 	* CONDA_ADDON: option to build from an alternative build2.sh file …

    (conda build --build2sh packagename)

plus minor adjustments: with patchelf: to print out