Incremental update

* Remove cost boxes (folded into go button)
* Colorize go buttons
* Add status text to go buttons
* Limit selections to current player elements
* Disable go button based on (cost - commented out) selection and action
* Track current level and current player

Random draw buggy (e.g. non-second effector)
Replace action buggy
Tweak board layout
Fixed random selection (temp version) problem
Update pressure costs

Still needs protection from pathogen with no features, and against plants with all alarms
Disallow going below 2 features
Recalculate victory points as rewards, based on energy reduction
Adding detecting/detected/triggering with some highlighting to bring out interactions
Add solitaire board to index test page
Add link to test page