Remove broken docs and python 3.2 builds from tox.
Remove broken docs and python 3.2 builds from tox.

moocowmoo/pycoin,devrandom/pycoin,shayanb/pycoin,Tetchain/pycoin,Kefkius/pycoin,Tetchain/pycoin,Magicking/pycoin,XertroV/pycoin,gitonio/pycoin,moocowmoo/pycoin,Treefunder/pycoin,ptcrypto/pycoin,mperklin/pycoin,XertroV/pycoin,Bluejudy/pycoin,tomholub/pycoin,richardkiss/pycoin,zsulocal/pycoin,pycoin/pycoin,zsulocal/pycoin,antiface/pycoin,thirdkey-solutions/pycoin,shivaenigma/pycoin,ptcrypto/pycoin,Pan0ram1x/pycoin,lekanovic/pycoin,shayanb/pycoin,Magicking/pycoin,Pan0ram1x/pycoin,devrandom/pycoin,thirdkey-solutions/pycoin,gitonio/pycoin,lekanovic/pycoin,Treefunder/pycoin,antiface/pycoin,pycoin/pycoin,mperklin/pycoin,Bluejudy/pycoin,tomholub/pycoin,Kefkius/pycoin,richardkiss/pycoin,shivaenigma/pycoin