Feature/component register (#1)

* remove components from main factory

* register base components in factory, interest moved to druid.data

* add simple usage of button

* translatable should be in data

* ability to extend components, stubs for sounds and locale

druid/data.lua

@@ -0,0 +1,20 @@
+local M = {}
+
+M.A_TOUCH = hash("touch")
+M.A_TEXT = hash("text")
+M.A_BACKSPACE = hash("backspace")
+M.A_ENTER = hash("enter")
+M.A_ANDR_BACK = hash("back")
+
+-- interest
+M.LAYOUT_CHANGED = hash("layout_changed")
+M.ON_MESSAGE = hash("on_message")
+M.ON_INPUT = hash("on_input")
+M.ON_SWIPE = hash("on_swipe")
+M.ON_UPDATE = hash("on_update")
+M.TRANSLATABLE = hash("TRANSLATABLE")
+
+M.RELEASED = "released"
+M.PRESSED = "pressed"
+
+return M