cmake remove circular linking and reorganize

- px4_add_module now requires MAIN
 - px4_add_library doesn't automatically link

src/modules/local_position_estimator/CMakeLists.txt

@@ -50,6 +50,5 @@ px4_add_module(
 		sensors/land.cpp
 		sensors/landing_target.cpp
 	DEPENDS
-		platforms__common
+		controllib
 	)
-# vim: set noet ft=cmake fenc=utf-8 ff=unix :

src/modules/local_position_estimator/params.c

@@ -1,4 +1,4 @@
-#include <systemlib/param/param.h>
+#include <parameters/param.h>
 
 // 16 is max name length