Created tree of modules for gnuradio-companion reflecting their organization.
Changed some names of GRC blocks to prettier ones.
diff --git a/grc/CMakeLists.txt b/grc/CMakeLists.txt
index fc24e58..8ded6ca 100644
--- a/grc/CMakeLists.txt
+++ b/grc/CMakeLists.txt
@@ -17,6 +17,7 @@
 # the Free Software Foundation, Inc., 51 Franklin Street,
 # Boston, MA 02110-1301, USA.
 install(FILES
+    gsm_block_tree.xml
     receiver/gsm_receiver.xml
     misc_utils/gsm_bursts_printer.xml
     receiver/gsm_fcch_burst_tagger.xml