add example for gaussian 1d models
fix member and parameter types
allow swap engine for float float swap instrument
fix nominal threshold and guess for calibrating swaption's maturity
remove debug line
Fix vector access in error message.
Use explicit conversions to avoid a few warnings in VC++11.
Fix addresses of list mirrors at Nabble.
Avoid unsigned underflow.
Added links to more instructions.
Use old version of boost::timer.

I'd like to use the new version (in the other examples, too)
but it was first released in version 1.48, and we're still
supporting versions from 1.39 onwards.
Add possibility to not wait for user input.

This is used in `make check-examples`.
Ignore new artifact
Add VC++/Dev-C++ projects.
Merge pull request #94.
Merge remote-tracking branch 'upstream/master'