Change Color of Z Sticks(Theater Mode)

selectedSticks contains sticks to change one color

AllChangedSticks is sum of selectedSticks selected between clicking Send Color button

This method is to add or remove a stick to selected list

When user click color button that he/she wants to change, All sticks change color member to new one

Then, they will be added in to AllChangeLists. When there is already added, the latest stick will replace old one

When user click send button, Json data will be written.

Then Send Json data through Http put method to server