v0.1.2.1 - new Timer feature, Texture updates, bug fixes

-added a new Timer feature: you may now select between Manual and Custom modes.
-Manual mode: same as before, Timer triggers on exiting start location, you may pause and reset it at will
-Custom mode: using the Pause / Reset hotkey or clicking the stopwatch now provide a single button action to place a start location, then a finish location and then a full reset of the aforementioned. Prime the Timer by entering the start location after placing start and finish. The Timer will stay red to indicate that it has yet to be primed. Trigger it by leaving the start location. Timing ends when finish location is reached. Timing resets when reentering start location.
-added the ability to scale starting and finishing locations
-added yellow circles around your character that let you preview start and finish location placement and size before placing them
-updated fading behavior of the start, finish and self circles
-fixed another circle rendering bug that would cause circles to vanish if their center point was located behind the physical location of the camera
-updated the number and indicator textures, streamlining their looks
-added a mode indicator to the Timer widget