doc/.../{developing,junctions}.run: --assume-yes

Update the examples in the documentation to be runnable by using the new
'--assume-yes' option to workspace close and reset.

Also removes trailing whitespace from those examples.

doc/sessions/developing.run

@@ -42,9 +42,9 @@ commands:
 # Reset workspace
 - directory: ../examples/developing/
   output: ../source/sessions/developing-reset-workspace.html
-  command: workspace reset hello.bst 
+  command: workspace reset --assume-yes hello.bst
 
 # Discard workspace
 - directory: ../examples/developing/
   output: ../source/sessions/developing-discard-workspace.html
-  command: workspace close --remove-dir hello.bst 
+  command: workspace close --remove-dir --assume-yes hello.bst

doc/sessions/junctions.run

@@ -17,4 +17,4 @@ commands:
 
 # Remove the workspace 
 - directory: ../examples/junctions
-  command: workspace close --remove-dirs hello-junction.bst:hello.bst
+  command: workspace close --remove-dir --assume-yes hello-junction.bst:hello.bst