-[EXPORTER] Changed default text class to P2TTF.Label
-[EXPORTER] Reversed export order of all layers and sub-layers. Previously only root objects were reverted.
-[EXPORTER] Quick PNG export now prefers the ID over the layer name when exporting files.
-[PANEL] Re-published panel for convenience.
Merge branch 'master' of github.com:TrompoGames/p2gui.js