basic support for MessageHeader

 basic support of MessageHeader

 function for whitespace removal

 IPv4 and IPv6

 SIP URI update (semicolon list and ampersand list)

 SipUrl - basic decoding methods
 

 factorised the character ranges used in userinfo

 then decode the userinfo

 added a simple test case for SipUrl and decode the "sip:" prefix

 added echo port

 Fixed compilation issues

 changed the root module to use 'TestExecution'

 Added basic sanity TCs

 fixed root module name

 fixed roto module name

 removed messages in setverdict commands

 compile with the validation suite

 removed leading UTF-8 character

 dummy support of types not handled by the generator

 limit the file list to the SIP types

 added the makefile for building the codec
 

 SIP torture test cases (from RFC 4475/May 2006)

 Minor syntax corrections

 Added initial files in 'codec/validation'

 Added 'codec' folder

and added a batch file to launch the script