v2.40.0 - bug fixes and improvements to GUI and/or code base

• fix saving rules version = 3.0
• fix bugs related to initial parameter distributions of cells (Misc subtab)
• addedd download_binary.py to get project executable (customized version of the one in PhysiCell /beta; thanks @vincent-noel !)
• several helpful warnings, e.g., Interactions rates (hover over red exclamation marks for info)
• improved Mechanics UI for adhesion strength alternatives (equilibrium distances)
• much cleaner code for programmatically processing xml for cell cycle params
• updated several /config files for 1.14 syntax (and removed random_seed in User Params)
• icon for disabled radio buttons

See commit logs for more details. Huge thanks to @drbergman for most of these contributions and to everyone for testing and providing feedback!