add README and FAQ files

the README is also visible here: http://github.com/spring/spring
see for reference: http://en.wikipedia.org/wiki/README

FAQ

@@ -0,0 +1,8 @@
+                             Spring RTS game engine
+
+                                      FAQ
+
+Have a look at FAQ page (http://springrts.com/wiki/FAQs),
+and if it does not serve you, ask for help in the forum under:
+http://spring.clan-sy.com/phpbb/viewforum.php?f=11
+

README

@@ -0,0 +1,42 @@
+                             Spring RTS game engine
+
+                                     README
+
+Spring (formerly TASpring) is an Open Source Real Time Strategy game engine.
+Visit our project homepage at http://springrts.com for help, suggestions,
+bugs, community forum and everything spring related.
+
+                                   Compiling
+
+Detailed instructions for how to compile Spring can be found here:
+http://springrts.com/wiki/Building_spring
+The most simple set of commands will be:
+> cmake .
+> make
+
+                                  Installation
+
+Usually, you want to use an installer or a package prepared for your OS.
+Windows: http://springrts.com/wiki/Download
+Linux:   http://springrts.com/wiki/SetupGuide
+
+If you want to compile and install from source, please see:
+http://springrts.com/wiki/Building_spring
+The most simple set of commands will be:
+> make install
+
+                                     Using
+
+Use a lobby client for playing single- or multi-player matches.
+A list of lobbies may be foudn here:
+http://springrts.com/wiki/Lobby_Development#Lobby_client_development
+
+Once you are in-game, Spring games basically work like every other RTS,
+though it has a LOT of additional ways of controll and customizability:
+http://springrts.com/wiki/Using_Spring
+
+                                     Notes
+
+A more extensive readme can be found here:
+http://springrts.com/wiki/Read_Me_First
+