Check also stderr of cvs command in uptodate check
Abort configuration session if 'verify' fails.
Fixed 'sub leave_conf_mode' in COMPARE mode.
Show all lines when aborting on active session
v1.090

 - Fixed approve for NX-OS.  If 'verify' of configuration session
   fails, the 'abort' command is called now.
 - Fixed 'newpolicy' to recognize removed file.