iForester

1. Add a new AI mode for cleaner tree segmentation. Users could switch between the original mode and AI mode. 2. Update the data saving mechansim. A csv file is now saved in local Folder recoeding all information about the data saved before. 3. UI update. Change names of the button "FlexHeight" to "Diameter" for better readability. 4. Update the display of the bundle name from "iForester_depth" to "iForester"