More refactoring

- Display is a separated entity
- Make battery configuration consistent with others
- Led config part of led.c
- Jack config moved to monitor.c

components/display/component.mk

@@ -0,0 +1,12 @@
+#
+# Component Makefile
+#
+# This Makefile should, at the very least, just include $(SDK_PATH)/Makefile. By default,
+# this will take the sources in the src/ directory, compile them and link them into
+# lib(subdirectory_name).a in the build directory. This behaviour is entirely configurable,
+# please read the SDK documents if you need to do this.
+#
+
+COMPONENT_SRCDIRS := . tarablessd13x6 tarablessd13x6/fonts tarablessd13x6/ifaces
+COMPONENT_ADD_INCLUDEDIRS := .
+COMPONENT_ADD_INCLUDEDIRS += ./tarablessd13x6