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I was able to make this work on OS X (haven't tried it on other platforms though). Choose Browse Packages... from the main menu, and make the following changes to their appropriate files (listed right above each code snippet):
https://gist.github.com/1143956
Hopefully the developer will implement this into the core in future builds.
I just posted an intermediate solution to this here:
http://sublimetext.userecho.com/topic/26957-reveal-in-finder-option-menu-in-filesfolder-sidebar/
Customer support service by UserEcho
I added a possible intermediate solution here:
http://sublimetext.userecho.com/topic/49403-delete-non-empty-folders-linux/