Bumped version to 2.2.

git-svn-id: svn://svn.code.sf.net/p/dmtcp/code/trunk@2696 ba6dc0ae-232f-0410-883f-9ebac64fc565
Updated manpage version.

git-svn-id: svn://svn.code.sf.net/p/dmtcp/code/trunk@2697 ba6dc0ae-232f-0410-883f-9ebac64fc565
Updated man pages.

git-svn-id: svn://svn.code.sf.net/p/dmtcp/code/trunk@2698 ba6dc0ae-232f-0410-883f-9ebac64fc565
Minor updated to dmtcp_launch cmd flags.

git-svn-id: svn://svn.code.sf.net/p/dmtcp/code/trunk@2699 ba6dc0ae-232f-0410-883f-9ebac64fc565
Coord: Move virt-pid constants to constants.h.

git-svn-id: svn://svn.code.sf.net/p/dmtcp/code/trunk@2700 ba6dc0ae-232f-0410-883f-9ebac64fc565
Fixed --no-coordinator flag.

git-svn-id: svn://svn.code.sf.net/p/dmtcp/code/trunk@2701 ba6dc0ae-232f-0410-883f-9ebac64fc565