Import BSSAP+, BSSGP, BSSMAP, GTP, GTPv2, LLC and MobileL3

this has been kindly provided by Ericsson and will soon (September-ish)
be released officially as FOSS on the eclipse.org git server.
diff --git a/BSSGP_v13.0.0_CNL113833_LATEST/doc/documentation_note.txt b/BSSGP_v13.0.0_CNL113833_LATEST/doc/documentation_note.txt
new file mode 100644
index 0000000..6cec029
--- /dev/null
+++ b/BSSGP_v13.0.0_CNL113833_LATEST/doc/documentation_note.txt
@@ -0,0 +1,13 @@
+Please note that the storage of the documentation of the product has been 
+moved to the eridoc.ericsson.se from the ClearCase.
+
+You can access the documentation of the product via the following links:
+
+The documentation belongs to the R1A revision of the product
+can be found here:
+http://document.internal.ericsson.com/Download?DocNo=1095-CNL113833&Rev=A&Lang=EN&PRev=Y
+
+The documentation belongs to the latest revision of the product
+can be found here:
+http://document.internal.ericsson.com/Download?DocNo=1095-CNL113833&Rev=HIGHEST&Lang=EN&Status=FREE&PRev=Y
+