Added my own implementation of "Hello world" as an example.

README

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+Hello World.
+
+ABOUT
+=====
+
+hello is the famous example application implemented in C.
+
+But this package not only provides this marvellous program including its 
+documentation. Also there comes a configure script and a sample makefile 
+with it.
+
+The configure script ('configure' plus its own two configuration files 
+'configure.files' and 'configure.macros') is capable to read in the makefile 
+template 'Makefile.in' to produce the real makefile 'Makefile'.
+
+Together with the standard unix tool 'make' the makefile can assist you to
+- compile the hello source code ('hello.c') into a binary ('hello')
+- install the binary onto your system
+- install the manual page of hello ('hello.1') onto your system
+- proceed the development of hello
+
+
+INSTALL
+=======
+For information about building and installing hello, see the file INSTALL.
+
+
+DEPENDENCIES
+============
+
+Dependencies to build hello:
+- a C library (tested with GNU C library glibc-2.6.1)
+  If not building a static binary, only the headers are needed.
+- a C compiler and linker (tested with GNU Compiler Collection gcc-4.1.2)
+- a make tool (tested with GNU Make 3.81)
+- a bourne compatible shell (tested with bash 3.2)
+- some other tools, used by the configure script: 
+  cut, expr, grep, mktemp, rm, sed, tr
+- some other tools, used by the makefile: 
+  cp, gzip, install, rm, strip, tar
+
+Dependencies to use hello:
+- a C library (tested with GNU C library glibc-2.6.1)
+  If compiled a static binary, the C library is not needed at run time.
+
+Dependecies to use the hello documentation:
+- a man page viewer
+