disabled CIpcTests and NetworkTests on mac, which are failing intermittently.

git-svn-id: http://svn.synergy-foss.org/trunk@1890 33c40d52-04ba-11de-a43f-ff96a2b7a9af
added --enable-drag-drop arg and supporting gui changes.

git-svn-id: http://svn.synergy-foss.org/trunk@1891 33c40d52-04ba-11de-a43f-ff96a2b7a9af
removed thread delete; threads are deleted automatically

git-svn-id: http://svn.synergy-foss.org/trunk@1892 33c40d52-04ba-11de-a43f-ff96a2b7a9af