将xcode4主题放入
~/Library/Developer/Xcode/UserData/FontAndColorThemes
若是UserData中没有FontAndColorThemes，则自行创建一个
1. Blackboard
2. DartCity
3. EGO
4. EGOV2
5. Humane
6. Morrowind
7. ObsidianCode
8. Solarize Dark
9. Solarize Light
10. Spacedust
11. Twilight
12. Zenburn