aqhome: moved datafile implementations into their own folder.

aqhome/data/0BUILD

@@ -57,7 +57,6 @@
   
     <headers dist="true" install="$(pkgincludedir)/data" >
       storage.h
-      datafile_direct.h
     </headers>
 
 
@@ -65,7 +64,6 @@
       storage_p.h
       storage_readxml.h
       storage_writexml.h
-      datafile_direct_p.h
       vars.h
       vars_p.h
       vars_dbread.h
@@ -80,7 +78,6 @@
       storage.c
       storage_readxml.c
       storage_writexml.c
-      datafile_direct.c
       vars.c
       vars_dbread.c
       vars_dbwrite.c
@@ -101,9 +98,11 @@
 
 
     <useTargets>
+      aqhdf
     </useTargets>
 
     <subdirs>
+      datafile
     </subdirs>