[PLAT-5582] Adding an enum representing the weighting method used for an index
[PLAT-5582] Adding base class for index definitions
[PLAT-5582] Name field was already present in ManageableSecurity
[PLAT-5585] Adding an index type field
[PLAT-5586] Adding an overnight index class
[PLAT-5594] Adding a bond index component class
[PLAT-5587] Adding an equity index component class
[PLAT-5588] Adding an equity index class
[PLAT-5594] Adding a bond index class