[Feed] Add feed filtering capability

Add an interface for feed filtering, such that
plots can add the ability to filter feeds
according to custom criteria if they so desire.
For MCT-3886
[Plot] Add class for filter controls

Add class to wrap filter editor (component-provided)
for use in MCT-3886
[Plot] Add point filtering panel

Add point filtering panel to plot control area.
Driven by a (currently-stubbed-in) feed filter
capability provided via the plot manifestation.
For MCT-3886.
[Plot] Enforce plot filter in plotted data

Enforce plot filter for data points displayed on
plot, for MCT-3886.
[Plot] Get filtering capability from component

Read point filtering capability (for MCT-3886)
from the component(s) being plotted.
[Feed] Add JavaDoc to FeedFilterProvider

Add documentation to FeedFilterProvider capability
interface, implemented to support MCT-3886.
[Feed] Fix JavaDoc

Add missing params to JavaDoc to satisfy build,
for MCT-3886.
[Plot] Use correct class for logger

Use correct class for logger in PlotSettingsFilterPanel,
for MCT-3886 (fix for error caught during code review)
Merge pull request #296 from VWoeltjen/MCT-3886

[Plot] Add user interface for filtering data