BUG: Fix display of Command in viewBuildError. Previously, it was not being shown when there was only arg0. Now it is. Also, improve the toggling of arguments: always put the +/- text before arg0, so it remains under the mouse for easy toggling back and forth. Default is to show the full command line if there are less than 4 args total. Hide if greater than 3. But toggle is enabled whenever there are arguments beyond arg0.
BUG: Fix display of Command in viewBuildError. Previously, it was not being shown when there was only arg0. Now it is. Also, improve the toggling of arguments: always put the +/- text before arg0, so it remains under the mouse for easy toggling back and forth. Default is to show the full command line if there are less than 4 args total. Hide if greater than 3. But toggle is enabled whenever there are arguments beyond arg0.

jcfr/CDash,cpatrick/CDash,jcfr/CDash,jcfr/CDash,jcfr/CDash,cpatrick/CDash,cpatrick/CDash,jcfr/CDash,cpatrick/CDash,cpatrick/CDash,jcfr/CDash,cpatrick/CDash