Upgrade to version 2.3.1
Merge pull request #2460 from RainFlying/itools

iTools 2.3.1
Add cask for Baidu Input Method.
Merge pull request #2462 from RainFlying/baiduinput

Add cask for Baidu Input Method.
Update: Paraview 4.1
Merge pull request #2465 from goxberry/paraview-4.1

Paraview 4.1