Added dmtcp-forum as default bug report location.

git-svn-id: svn://svn.code.sf.net/p/dmtcp/code/trunk@2435 ba6dc0ae-232f-0410-883f-9ebac64fc565
Improved help messages.

git-svn-id: svn://svn.code.sf.net/p/dmtcp/code/trunk@2436 ba6dc0ae-232f-0410-883f-9ebac64fc565
Updated manpages.

git-svn-id: svn://svn.code.sf.net/p/dmtcp/code/trunk@2437 ba6dc0ae-232f-0410-883f-9ebac64fc565
Updated autotools stuff.

git-svn-id: svn://svn.code.sf.net/p/dmtcp/code/trunk@2438 ba6dc0ae-232f-0410-883f-9ebac64fc565