[PLAT-6851] Remove SwaptionBermudaFixedIborDefinition deprecated.
[PLAT-6851] removing SwaptionCashFixedIborDefinition deprecations
[PLAT-6851] removed deprecated from SwaptionPhysicalFixedIborDefinition
[PLAT-6851] Fix up SwaptionPhysicalFixedIborSpreadDefinition
[PLAT-6851] Fix up VolatilitySwapDefinition
[PLAT-6851] fix up commodities
[PLAT-6851] Patch up VolatilitySwapDefinitionTest
Merge pull request #264 from OpenGamma/REQS-666/PLAT-6851-3

REQS-666/PLAT-6851 Stage 3