added osx icon (safe) and win icon (dont know if it works)

quark.icns

@@ -0,0 +1,22 @@
+How to use this icon:
+
+Step 1: Copy the icon to the clipboard
+a) Click on this file from the Finder
+b) Choose 'Get Info' from the 'File' menu.
+c) In the info window that pops up, click on the icon
+d) Choose 'Copy' from the 'Edit' menu.
+e) Close the info window
+
+Step 2: Paste the icon to the desired item
+a) Go to the item in the Finder that you want a custom icon
+b) Click the item (file, folder, disk, etc) 
+b) Choose 'Get Info' from the 'File' menu.
+c) In the info window that pops up, click on the icon
+d) Choose 'Paste' from the 'Edit' menu.
+e) Close the info window
+
+Step 3: 
+Enjoy your newly customized icon!
+
+For more thorough directions, see Apple's website at:
+http://www.apple.com/support/mac101/customize/6/

quark.pro

@@ -25,7 +25,9 @@ RESOURCES += qml.qrc
 OUT_PWD_WIN = $${OUT_PWD}
 OUT_PWD_WIN ~= s,/,\\,g
 
+ICON = quark.icns
 
+win32:RC_ICONS += quark.ico
 !win32: NODE_CMD = $$PWD/tmp/bin-$$system(bash tools/uname.sh -o)-$$system(bash tools/uname.sh -a)/node
 
 macx {