add initial lesnet source code and tentative build files All the build files are currently symlinked into mojo repo (../src) except this file, which was copied from the mojo repo and modified: mojo/tools/mojob.py (sha1: dd752cf0606cbac8d9bc68c9752e0de27b124686) Change-Id: I217631719c0c720afcf39bfa9413d3431216a649