Ignore root node in SummingFunction if property set
added cds option security to otc visitor
added ant task for compiling sass (scss) into css
Adding CDS options to notional calculator
Wasn't asking for a shifted credit spread curve for CDS options
Revert "added ant task for compiling sass (scss) into css"

The libraries aren't in ivy yet so reverting for now,
This reverts commit b023612ece690c0c8c3b929c36b6b7cda1f5223e.
[PLAT-3342] MonotoneConvexSplineInterpolator input/output
[PLAT-3354] Added method by interpolation of forward points. Only the method, no calculators.
Merge branch 'develop' of github.com:OpenGamma/OG-Platform into develop
Merge branch 'develop' of github.com:OpenGamma/OG-Platform into develop
Connect to the view process before resolving the portfolio locally. This gives better performance for cases where the view process is not already running.
Recognise targets that don't need version/correction specific caching.
Remove unnecessary security resolution.
Fixed MasterPortfolioWriter so it recognises identical securities
Fix unit tests.
Shut down position writing thread pool cleanly when MasterPortfolioWriter is closed.
If a fixed income strip has an index type for swap or fra, then this information is used along with the period to pull out the convention. If this information is not present, or it is not possible to uniquely identify the floating rate (i.e. if the external id bundle has more than one entry), then the old method of using a tenor-based swap convention is used.
Fix bug where positions were not being added to portfolio nodes when in multithreaded position writing mode.
Fixed tests
Fixed tests