update build instructions

file-loc.txt

@@ -0,0 +1,19 @@
+
+default build will install the following
+
+/usr/local/lib/xrdp/
+  libcommon.so
+  libxrdp.so
+  librdp.so
+  libxup.so
+
+/usr/local/bin/
+
+/usr/local/sbin/
+  xrdp
+  xrdp-sesman
+  xrdp-sessvc
+
+/etc/xrdp/
+  xrdp.ini
+  sesman.ini

readme.txt

@@ -22,7 +22,17 @@ COPYING is the licence file
 design.txt is an attempt to expain the project design
 prog_std.txt is an attemp to explain the programming standard used
 
-run make in main xrdp directory to build
-run make install as root to install in /usr/local/xrdp
+since version 0.5.0 we switch to autotool to build xrdp
+
+to build and install
+
+change to the xrdp directory and run
+./bootstrap
+./configure
+make
+then as root
+make install
+
+see file-loc.txt to see what files are installed where
 
 Jay