.104 released: Cursor Tool size, Upgrade hotkey

[Erik Asmussen]

- Added ability to change cursor size (Default: PageUp & PageDown) for various modes like terrain modification, removing resources & farming tools
- New hotkey (Default: U) that upgrades selected building
- Added visual effect for upgrading building
- Blockers and Item Filters now affect the default building output tiles
- Can now delete mana connectors
- Changed cost for removing resources from 20 gold to 10 gold
- Rechargers now spend 2 yellow coins per recharge as originally intended, but cost deceased from 10 coin as previously shown on recipe
- Right-Shift now functions as Left-Shift does in terms of modifying actions like speeding up camera movement
- Improved performance of large metadata updates
- Fixed incorrect costs being loaded when laying mana & steam pipes
- Fixed bug where additional shared resources would be consumed when they were spread across multiple buildings
- Fixed farming actions and other cursor tools sometimes not working after placing or deleting block structures
- Fixed missing cursor indicator when placing minerals
- Fixed crash / instability that could occur if deleting a building that was highlighted as a result of hovering over a resource
- Fixed being able to place un-deletable transmitter and receiver mana nodes with copy cursor tool
- Fixed bug where you couldn't 2-click target an inventory item icon that wasn't centered on source building
- Fixed inconsistent highlighting on pipes
- Fixed being able to place minerals on invalid tiles
- Fixed being able to assign non-buildable structures (i.e. transmitter & receiver nodes) onto cursor via Copy tool
- Fixed missing indicator lines showing agents assigned to a selected building
- Fixed creative mode buildings initializing with 0 workers