ENCP release notes, from v2_19 to v2_20

Encp changes:
=============

encp was recompiled due to a security issue in one of the libraries.

Misc.:
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                      Detailed cvs commit logs


========== alarm_client.py ====================================================================================

add timeout to recover from missing configuration server 

========== encp.py ====================================================================================

bumping version to v2_20 because of encpCut 

Modified the code to handle the timing statistics from the threaded version of EXfer.c. 

========== file_clerk_client.py ====================================================================================

add timeout to recover from missing configuration server 

========== library_manager.py ====================================================================================

Added the --get-asserts command. 

Changed FNCTL.O_NONBLOCK to os.O_NONBLOCK in preperation of python 2.2. 

========== log_client.py ====================================================================================

add timeout to recover from missing configuration server 

========== volume_assert.py ====================================================================================

Added volume name to error messages. 

Errors reported from the mover are now printed without --verbose. The "--volume " command has been added to specify volumes from the command line. Mulitple label can be specified by seperating them with commas. 

Improved the error handling. 

========== volume_clerk_client.py ====================================================================================

add timeout to recover from missing configuration server 

========== library_manager_client.py ====================================================================================

Added the --get-asserts command.