Makefiles updated with correct install target.

git-svn-id: svn://svn.code.sf.net/p/dmtcp/code/trunk@2378 ba6dc0ae-232f-0410-883f-9ebac64fc565
Do not install dmtcpaware examples.

git-svn-id: svn://svn.code.sf.net/p/dmtcp/code/trunk@2379 ba6dc0ae-232f-0410-883f-9ebac64fc565