quantlib 1.29

quantlib 1.16 for old and new toolchain

Rebuild library to fix ABI issue

The prior build caused a crash when the DiscountingBondEngine()
constructor was called. The most probably cause is that CXXFLAGS did
not contain -std=c++11. QuantLib began to migrate toward c++11 in this
release.

See #4.

add boost headers

upgrade

update readme