GNUTOOLS-14645

Created first set of scripts imported with the builder.
Refs:
        oban-scripts: 84675c5bb0f9d3454ab5bb5a4f5b020d36e70c86
        models-install: b7d8a2a2faae503bf21e59525cc9c7883eca5ae3
        fm-gdb-plugin: 0c64b262f2c0c5fb442352fb933091b6464c9c00

Set jenkins to run a native build

Using source-fetch.py to get the src repos. We can't use --shallow,
otherwise the upstream servers report:
  error: git://sourceware.org/git/binutils-gdb.git
  error: Server does not allow request for unadvertised object 8a6295d22f3a8c2c4ae7f4237657cb1be4833bbb

Change-Id: Iea5ea1a98d13d641cf65fdeab8c7a8746ff027c2