Added various text/info files

BUILD.txt

+Build instructions:
+
+1) Download and/or install the Qt SDK: http://qt.nokia.com/downloads
+2) Open Qt Creator to build the project
+3) Alternatively: run the following commands
+   lrelease pulsatingscience.pro
+   qmake
+   make

LIESMICH.txt

+Pulsierende Wissenschaft v1.1
+
+Alle weiteren Informationen finden Sie unter:
+http://einstein.phys.uwm.edu/radiopulsar/html/topic4.php
+
+Copyright © 2009-2011
+Max-Planck-Institut für Gravitationsphysik

README.txt

+Pulsating Science v1.1
+
+Further information can be found at:
+http://einstein.phys.uwm.edu/radiopulsar/html/topic4.php
+
+Copyright © 2009-2011
+Max Planck Institute for Gravitational Physics