Update versions for 1.8.6
tycho-versions-plugin missed the parent pom version
Update rap sdk version
Fix NPE when attempting to remove  non-existent source. Fix race condition when plot is disposed and then quickly initialized again.
refs #1554 if pipe size < data size, increase it to twice data size,
otherwise if blocking is false (default) then data packets larger
than the default 128K pipe size (buffer) gets dropped and never plotted
refs #1554 if pipe size < data size, increase it to twice data size,
otherwise if blocking is false (default) then data packets larger
than the default 128K pipe size (buffer) gets dropped and never plotted
+ added /psmult for pipe size multiplier when data size is larger
+ added /growpipe switch (enabled by default) to increase pipe size to
    data size x pipe size multiplier (done main Command thread in process() method
+ simplified close() method
+ when new stream comes in, only check for changes to fields that would cause a
    RESTART before scheduling it
+ added getter/setter methods for pipeSizeMulitier, can grow pipe, pipe size
+ added trace debug and various debugging statements
+ increment plugin version from 10.0 to 10.1 b/c of new APIs
Merged develop-1_8
Clean up should restart logic.
mark two param version of protected handleStreamSRIChanged(..) as deprecated, should use 3 param version