[PLAT-6841] Corrected second order derivatives for put.
[PLAT-6841] Generalised the test for second order derivatives. Run a finite difference test with several sets of realistic values (not only one case).
REQS-525 Replace Tenor with Maturity in CDS Securities

Note, this is a breaking change but due to the limited use of this class it was decided to go ahead.
[PLAT-6841] Change the second order derivative tests to be finite difference of first order.
Merge branch 'develop' into topic/PLAT-6841
REQS-659 bloomberg mapping for business 252 bond loading
REQS-659 bloomberg mapping CPI as price index in IndexLoader
Merge pull request #261 from OpenGamma/topic/REQS-659

REQS-659 bloomberg mapping for business 252 bond loading
[PLAT-6851] Fixed up BillSecurityDefinition
[PLAT-6851] Fixed up BillTransationDefinition
[PLAT-6851] Fixed up BondFutureOptionPremiumSecurityDefinition
[PLAT-6851] Fixed up BondFutureOptionPremiumTransaction
[PLAT-6851] Fix up CashDefinition
[PLAT-6851] Fix up DepositZeroDefinition
[PLAT-6851] Fix up EquityDefinition
[PLAT-6851] Fix up EquityIndexFutureOptionDefinition
[PLAT-6851] rm deprecated BondFutureOptionPremiumTransactionBlackSurfaceMethodTest
[PLAT-6851] fix up EquityIndexOptionDefinition
[PLAT-6851] attempt to patch up BillSecurityDefinition
[PLAT-6851] More removal of BillTransaction related