Merge tag 'v1.4.2' into releases

v1.4.2

* tag 'v1.4.2': (22 commits)
  update version number
  note triangle orientation consistency requirement in -surface-wedge-volume
  add dynamic schedule to warpfield parallel conversion code
  improve instructions for writing a new command
  Fix item flags compilation error on windows
  WB-873 Splash Screen - Changed order of file types and allow user to collapse/expand each file type.
  make CaretPointer short circuit when redundantly grabbing NULL, parallelize warpfield convention conversion
  Added logging of response content if process upload to BALSA fails.
  reduce lock contention in volume resampling
  update wb_shortcuts
  match ROI behavior between metric and volume dilate, make minimum kernel size independent of dilation distance
  WB-872 Crash in identification when file contains parcels (except pconn file): Since logic for PCONN identification is very unique it remains unchanged.  Logic for identification parcels prior to "WB-865 Asymmetric conn identification shows wrong values" has been restored and used for other types of parcel files.
  optimize dilation for the case of very few or no elements to fill in
  Fixed crash that occurred when help resources were excluded and a specific help page was requested by name and not through the help dialog (link on Annotation Mode warning dialog).
  Added cached cmake variable WORKBENCH_INCLUDE_HELP_HTML_RESOURCES in src/CMakeLists.txt.  When TRUE (the default) the html help information is included.  When FALSE, the help resources are excluded and selection of help results in a message indicating help is not available.
  Fixed compilation warnings resulting from additional compiler options including testing for missing breaks in switch statements.
  remove superfluous AString copy constructor that resulted in deprecation warnings
  fix travis dependencies
  update travis config to bionic (xenial default is qt 5.5, bionic is 5.9)
  have travis build with warnings enabled
  ...