[mac] load /etc/profile to fix LaTeX support, handle start without full path
[mac] load /etc/profile to fix LaTeX support, handle start without full path

https://bugzilla.gnome.org/show_bug.cgi?id=618577

rmayr/privatenotes-tomboyaddin,tomboy-notes/tomboy,MatteoNardi/Tomboy,oluc/tomboy,rotty3000/tomboy,rmayr/privatenotes-tomboyaddin,oluc/tomboy,oluc/tomboy,grepory/tomboy,tomboy-notes/tomboy,tomboy-notes/tomboy,grepory/tomboy,grepory/tomboy,rmayr/privatenotes-tomboyaddin,oluc/tomboy,rotty3000/tomboy,tomboy-notes/tomboy,rmayr/privatenotes-tomboyaddin,rmayr/privatenotes-tomboyaddin,tomboy-notes/tomboy,oluc/tomboy,rotty3000/tomboy,rotty3000/tomboy,grepory/tomboy,grepory/tomboy,MatteoNardi/Tomboy,MatteoNardi/Tomboy,MatteoNardi/Tomboy,MatteoNardi/Tomboy,MatteoNardi/Tomboy,rotty3000/tomboy,oluc/tomboy