fixed: mac sign failing silently

git-svn-id: http://svn.synergy-foss.org/trunk@1967 33c40d52-04ba-11de-a43f-ff96a2b7a9af
fixed: mac post make always runs even if gui not built

git-svn-id: http://svn.synergy-foss.org/trunk@1968 33c40d52-04ba-11de-a43f-ff96a2b7a9af
fixed: nothing happens on osx 10.6

git-svn-id: http://svn.synergy-foss.org/trunk@1969 33c40d52-04ba-11de-a43f-ff96a2b7a9af
updated changelog.

git-svn-id: http://svn.synergy-foss.org/trunk@1970 33c40d52-04ba-11de-a43f-ff96a2b7a9af
version to 1.4.17

git-svn-id: http://svn.synergy-foss.org/trunk@1972 33c40d52-04ba-11de-a43f-ff96a2b7a9af