fix hide soft keyboard by press 'back' button,
then click current focus text edit/line edit control,
soft keyboard won't show again
add features:
press enter key with line edit control will hide soft keyboard
-fixed TouchScreenButton with stretch2d
-fixed(?) OSX crash on startup (test!!)
-compilation fixes on windows
-CollisionPolygon editor works again
-find buttons en find dialog
-TileMap editor cleanup (removed "error", made nicer)
-viewport flicker fixed
-make .scn default extension for saving scenes
-export the rest of the network classes to gdscript
sanikoyes
Juan Linietsky