add rebates
move rebated exercise class to experimental/exercise
added simulated annealing optimizer
replace tab by spaces
added two dimensional integration
added two dimensional integration
added two dimensional integration
Added Hagan pricing engine for irregular swaptions.

Thanks to Andre Miemiec.
Boost 1.39 or later required.

This allows one to use make_shared to create shared_ptr instances.
Unfortunately, the C++03 version only allows a maximum of 9 constructor
arguments, so we won't be able to use it everywhere.

(Also, let's use make_shared in new code, and by all means use it to
replace explicit new when you come across it, but I wouldn't go and
hunt for all allocations. A quick grep call gives more than 1000 hits,
and the time to change them all is better spent for something else.)
step toward possible fix for crash at shutdown?
Added Vanna/Volga pricing engine for FX barrier options.

Engines were provided for both single- and double-barrier FX options.
An analytic engine was also provided for double-barrier equity options.

Thanks to Yue Tian.
Use boost::make_shared in barrier tests.
fix bug in which excel crashes at shutdown
ignore build files
update version history
GBP YC
GBP YC
GBP YC
GBP YC bootstrapping - link RelinkableHandle to YC, and save expected rate values
GBP YC