SDK memory fixes and pipelines

Add pipelines and operator support. Fix memory leaks and destructor issues.

SDK/C++/private/feed_impl.cpp

 #include "feed_impl.hpp"
+#include <voltu/types/errors.hpp>
 
-using voltu::internal::FeedImpl;
+using voltu::internal::InputFeedImpl;
+using voltu::internal::OutputFeedImpl;
 
-FeedImpl::FeedImpl(ftl::stream::Feed* feed, uint32_t fsid)
+// ==== Input ==================================================================
+
+InputFeedImpl::InputFeedImpl(ftl::stream::Feed* feed, uint32_t fsid)
  : feed_(feed)
 {
 	fsids_.insert(fsid);
 }
 
-FeedImpl::~FeedImpl()
+InputFeedImpl::~InputFeedImpl()
 {
-	remove();
+	//remove();
 }
 	
-std::string FeedImpl::getURI()
+std::string InputFeedImpl::getURI()
 {
 	return feed_->getURI(*fsids_.begin());
 }
 
-void FeedImpl::remove()
+void InputFeedImpl::remove()
+{
+	throw voltu::exceptions::NotImplemented();
+}
+
+void InputFeedImpl::submit(const voltu::FramePtr &frame)
+{
+	throw voltu::exceptions::ReadOnly();
+}
+
+voltu::FeedType InputFeedImpl::type()
+{
+	throw voltu::exceptions::NotImplemented();
+}
+
+voltu::PropertyPtr InputFeedImpl::property(voltu::FeedProperty)
+{
+	throw voltu::exceptions::NotImplemented();
+}
+
+// ==== Output =================================================================
+
+OutputFeedImpl::OutputFeedImpl(ftl::stream::Feed* feed, const std::string &uri)
+ : feed_(feed), uri_(uri)
+{
+
+}
+
+OutputFeedImpl::~OutputFeedImpl()
+{
+	//remove();
+}
+	
+std::string OutputFeedImpl::getURI()
+{
+	return uri_;
+}
+
+void OutputFeedImpl::remove()
 {
+	throw voltu::exceptions::NotImplemented();
+}
+
+void OutputFeedImpl::submit(const voltu::FramePtr &frame)
+{
+	throw voltu::exceptions::NotImplemented();
+}
 
+voltu::FeedType OutputFeedImpl::type()
+{
+	throw voltu::exceptions::NotImplemented();
+}
+
+voltu::PropertyPtr OutputFeedImpl::property(voltu::FeedProperty)
+{
+	throw voltu::exceptions::NotImplemented();
 }