Activating Reverse Scrolling
If you're a fan of reverse scrolling (or natural scrolling as some people call it) in Mac OS X, you can activate the same in Elementary OS by going to System Settings > Tweaks > General > Miscellaneous, and turn on Natural Scrolling. But I noticed in Elementary OS Luna for crouton, that setting resets to false after restarting. You can fix it by adding the following command as a startup application (System Settings > Startup Applications > Add)
Getting back the minimize button
Method 1: Start dconf-editor and go to org > pantheon > desktop > gala > appearance and change "button layout" to re-order buttons in the window decoration. Eg: "menu:minimize,maximize,close"
Method 2: Run the following command.
gconftool-2 --set /apps/metacity/general/button_layout --type string ":minimize:maximize:close"
Note: To install dconf-editor use the command:
sudo apt-get install dconf-tools
To install elementary-tweaks use the command:
sudo add-apt-repository ppa:mpstark/elementary-tweaks-daily
sudo apt-get update
sudo apt-get install elementary-tweaks