MetroFonts.cs: added MetroTileTextSize and MetroTileTextWeight + public static Font Tile(MetroTileTextSize labelSize, MetroTileTextWeight labelWeight) for getting specific font
MetroFonts.cs: public static Font Tile´was overwritten with new function

MetroTile.cs: added new properties tileTextFontSize and tileTextFontWeight and change to the MeasureText() and DrawText routines for new font routines
Merge pull request #79 from F1reF0x/master

Enhancement to MetroFonts.cs and MetroTile.cs