ttcn3: run ttcn3 testsuites from osmo-dev

Build testsuite, SUT and dependencies and run everything with one
command. Example usage:

$ ./ttcn3/ttcn3.sh msc

So far, it works at least with:
hlr, mgw, msc, pcu, pcu-sns, sgsn

Change-Id: I6b4bf2743adeec1a950d5f090a690182b991cf49
diff --git a/.gitignore b/.gitignore
index 1cfde3d..6326775 100644
--- a/.gitignore
+++ b/.gitignore
@@ -14,3 +14,6 @@
 !net/config_2g3g
 !net/README
 !net/fill_config.py
+ttcn3/3G+2G_ttcn3.deps
+ttcn3/out/
+ttcn3/make/