Simplified "make color" & "split color" blocks

This enhancement to the "make color" & "split color" blocks simplifies the to blocks for the user. It does not change the function of the 2 blocks in anyway.

For full details about the enhancement: https://docs.google.com/document/d/1bG39GMz5xN2amUywPiutie3PSJyEnYaifegAc-nLzHM/edit?usp=sharing

To test the enhancement:http://mad-robot-dev.appspot.com/
Download the MrAI companion app:  http://sourceforge.net/projects/themadrobot/files/App-inventor-resource/Mad-Robots-AI/MrAI%20Companion.apk/download
 
Sample project: http://sourceforge.net/projects/themadrobot/files/App-inventor-resource/Mad-Robots-AI/DEMO_ColourPicker.aia/download