Conditional -> GUIObject and make all gui objects children of GUIObject

Signed-off-by: Vojtech Bocek <vbocek@gmail.com>

Change-Id: Ic0a7d6354dabe5919b83942f2f1aa0715625e522
diff --git a/gui/Android.mk b/gui/Android.mk
index 29d99f7..40b67d8 100644
--- a/gui/Android.mk
+++ b/gui/Android.mk
@@ -15,7 +15,7 @@
     fileselector.cpp \
     progressbar.cpp \
     animation.cpp \
-    conditional.cpp \
+    object.cpp \
     slider.cpp \
     slidervalue.cpp \
     listbox.cpp \