docs: add hint about make install-strip and link to Documentation/

Signed-off-by: Karel Zak <kzak@redhat.com>

Documentation/howto-compilation.txt

@@ -2,8 +2,15 @@ The common case
 
 	./autogen.sh && ./configure && make
 
-	If something fails read the last lines. Typical reason to
-	fail is a missing dependency, such as libtool or gettext.
+	  If something fails read the last lines. Typical reason to
+	  fail is a missing dependency, such as libtool or gettext.
+
+        make install-strip
+
+	  Note that on the production systems it is strongly recommended to use
+	  "make install-strip" to install binaries and libraries. The result
+	  from the standard "make install" may produce large binaries with
+	  unnecessary symbols.
 
 Autotools
 

README

@@ -5,6 +5,10 @@
 
      Note: for the years 2006-2010 this project was named "util-linux-ng".
 
+COMPILE & INSTALL:
+
+      See Documentation/howto-compilation.txt.
+
 MAILING LIST:
 
       E-MAIL:  util-linux@vger.kernel.org
@@ -57,6 +61,11 @@ SOURCE CODE:
  Download archive:
 	  https://www.kernel.org/pub/linux/utils/util-linux/
 
+ See also:
+     Documentation/howto-contribute.txt
+     Documentation/howto-build-sys.txt
+     Documentation/howto-pull-request.txt
+
  SCM (Source Code Management) Repository:
 
     Primary repository: