0-1-7a: bug fixes and clean up

More bug fixes and lots of little things cleaned up in this patch.

New Feature:

-- Added troubleshooting tool to start-screen

---- Shift + C + Escape -> brings up a dialog to clear player preferences

Balance Changes:

-- Defense Drone:

---- Ability renamed: Dot Mines

---- Ability now casts instantly

---- Mine projectiles move faster

-- Worker:

---- Build Transmuter: Energy cost: 20 -> 25

-- Invasion:

---- Now applies to transporter units, gives drop-unit command

---- No longer applies to units on hold-position

Bug Fixes:

-- Harvest Mode: now ends properly, and displays destroyed core counts

-- Units no longer get stuck outside attack range

-- Workers no longer restart mining when reclicked

-- Launch projectile abilities:

---- Fighter, Defense Drone, Mojo Tower

---- These abilities will now fire when out of range

-- Amulet: Null Blocks

---- Does a better job spreading out the blockers

Other Changes:

-- Unit destruction effect adjusted

---- Explode a bit earlier

---- Sounds have been adjusted, including variations based on the size of the unit

-- On Resource-Cost tooltip, names of resources are now displayed

-- Adjusted the info-graphic tutorials

-- Upgrades are now shown [in brackets] in selected unit tooltips

* This is gameplay patch, so this version is not able to run replays from any previous 0-1-6 build.