Implement changes from https://github.com/lballabio/quantlib/commit/0455db485e7b934ae9bf9024384e1322345e4f3e , except the tests
Undo temp changes
Undo temp changes
Merge branch 'ZeroInflationIndex_needsForecast'
Merge pull request #23 from igitur/enable_QL_NEGATIVE_RATES

Enable QL_NEGATIVE_RATES
Merge branch 'Ver-1.4' of https://github.com/amaggiulli/qlnet
Merge pull request #18 from igitur/calculate_notionals_in_cpibond_constructor

Calculate notionals in cpibond constructor
Merge branch 'Ver-1.4' of https://github.com/amaggiulli/qlnet
Fix off by one error
Merge branch 'Ver-1.4' of https://github.com/amaggiulli/qlnet into CPICoupon_fix
Merge branch 'master' of https://github.com/igitur/qlnet into CPICoupon_fix