build: reorganise automake build system.

neercs/Makefile.am

@@ -2,7 +2,7 @@
 include $(top_srcdir)/build/autotools/common.am
 
 if BUILD_NEERCS
-noinst_PROGRAMS = neercs
+bin_PROGRAMS = neercs
 endif
 
 neercs_SOURCES = \