Added ability to shader features and shaderGen to create multiple instances of the same feature with the option of calling a static creation function that can take arguments in the form of a struct.
FEATUREMGR now has createFeature to take advantage of this.
The node editor requires this ability as the same node could be used multiple times with different arguments so in its update function we will be calling
```FEATUREMGR->registerFeature(feature_type, (optional default constructor), createFunction);```
then adding it to the feature set with the required arguments to build the shader feature.
```FeatureSet->add(feature_type, index, ParameterStruct);```
Adds missing disconnect/timeout handling callbacks to the clientServer core module
Adds page refresh function to UINavigation to be able to selectively nudge the current page to refresh its contents if needbe