breakpad: add initial recipe

Breakpad is an open-source multi-platform crash reporting system.

Apart from the breakpad recipe, add a bbclass for applications that want
to use this library. This bbclass will set up the include path and also
generate the symbol file.

Signed-off-by: Anders Darander <anders@chargestorm.se>
Signed-off-by: Martin Jansa <Martin.Jansa@gmail.com>