Merge pull request #526 from nwinkler/textmate-check

Added check for presence of textmate executable

plugins/available/textmate.plugin.bash

@@ -1,5 +1,7 @@
 cite about-plugin
 about-plugin 'set textmate as a default editor'
 
+if $(command -v mate &> /dev/null) ; then
   export EDITOR="$(which mate) -w"
   export GIT_EDITOR=$EDITOR
+fi