Deprecated old uniques

Resolved  - Unavailable techs work well with tech picker screen

Added ruleset check for resource uniques with resource conditionals

minor docs and city resource conditional test

Better location for resource tests

Unify "get stat for conditional state" logic

By tuvus:
- Spy max rank can be modded 
- Added an option to disable move by long press 
- Fixed spy steal tech timer 

By SomeTroglodyte:
- Console: Improve `civ activatetrigger` command 
- UI candy: WLTK fireworks 
- A ModOptions unique allowing a mod to control which map gets preselected 
- Sortable unit overview