* Unit upgrade tooltip in overview
* Unit upgrade tooltip in action table
* Unit upgrade tooltip in action table - colored Key
* Unit upgrade in Overview - reselect
* Fix merge problems and FormattedLine color markup ability
* Relax MarkupRenderer.render lines parameter type
* Skin has a getColor shortcut - use it
* Unit overview upgrade icons now open a menu instead of upgrading immediately
* Unit Overview upgrade - "Mid" buttons
* Unit Overview upgrade - reorg