Minor JTRACE fix for file connection.

git-svn-id: svn://svn.code.sf.net/p/dmtcp/code/trunk@2725 ba6dc0ae-232f-0410-883f-9ebac64fc565
Invoke restore_term_settings() on restart.

git-svn-id: svn://svn.code.sf.net/p/dmtcp/code/trunk@2726 ba6dc0ae-232f-0410-883f-9ebac64fc565
Preparing for release. Added 2.2 release notes.

git-svn-id: svn://svn.code.sf.net/p/dmtcp/code/trunk@2727 ba6dc0ae-232f-0410-883f-9ebac64fc565