Update ROOT to new 5.34.00 production series

[cjones051073 (Chris Jones)]

The attached Portfile diff and updated configure patch file, updates the root Port to 5.34.00

The main other changes are :-

• Add two new compiler variants. gcc47 and clang31

• Remove some old compiler variants, gcc43, gcc44 and gcc45. The main reason for providing these variants is if the users wants fortran support. 5 different gcc variants seemed overkill, and a PITA when it comes to testing new versions... So I thought now was a good time for a little pruning...

• Remove some python variants, for the same reasons as above. python27 and python32 are the variants kept.

• Add a new cocoa variant, that builds an experimental native cocoa graphics backend, instead of X11. Only works with clang compilers, so this variant requires clang31.

• Removed the qt_mac and qt_x11 variants. They never really worked properly. The main interest in them was for a none X11 backend (so the qt_mac version) and this use case is much better supported by the new cocoa variant now.

• bump the postgresql variant from 90 to 92.

• The mysql variant now uses mysql55, instead of mysql5

I think thats everything ...

Chris