check if variables are empty to be more failsafe
use osx compatible command to get absolute path of script
fixed names of variables
Merge pull request #143 from retuxx/docu

fixed bootstrap script for Mac OS X
Add tooltips to user-provided text (helps to accomodate too-long names and msgs)
Ideally this would be done only if the widget is too small for the message, but
that can be quite difficult
Updated the completed transfers widget to work as advertised
Merge branch 'master' of https://github.com/tux3/toxgui
Fix #142
Merge pull request #153 from F1ynn/bugfix

Fix #142
Check that file transfer target is writable
Merge branch 'master' of https://github.com/dubslow/toxgui
Merge pull request #145 from dubslow/master

Add tooltips to user-provided text (helps to accommodate too-long names)