Allow retrieving and setting more SIP dialog components.


git-svn-id: http://yate.null.ro/svn/yate/trunk@5846 acf43c95-373e-0410-b603-e72c3f656dc1
Added coders for GSM L3 Handover Complete and Handover Failure.


git-svn-id: http://yate.null.ro/svn/yate/trunk@5847 acf43c95-373e-0410-b603-e72c3f656dc1
Minor typo fix.


git-svn-id: http://yate.null.ro/svn/yate/trunk@5848 acf43c95-373e-0410-b603-e72c3f656dc1
Merge branch 'upstream' of github.com:vir/yate into deb
Updated debian package version to 5.3.1~svn5848