Add first setup script, imported from TI wiki
oebb.sh: since 44ecf674747fef9f71f928660b394ca470a135fc OE doesn't need the mmap hack anymore

See http://cgit.openembedded.org/cgit.cgi/openembedded/commit/?id=44ecf674747fef9f71f928660b394ca470a135fc for more info (and the parent commit as well)
Added aliases for the proper board names.
oebb: clean up variables and local.conf
oebb: generate sourceable env file
oebb: add usage note for ~/.oe/environment
oebb: protect call to git_proxy setup as well
oebb: add some missing vars to environment script, reported by Gregg Lebovitz
oebb: make ~/.oe/environment usage hint clearer
oebb: be more verbose about ~/oe/.environment and report when config is done
oebb: replace all tabs with 4 spaces for consistency
oebb: don't generate mirror tarballs by default
oebb: fix OE git urls, use bitbake 1.10
angstrom-setup-scripts: add git submodules for OE and bitbake
oebb: add infrastructure for using git submodules, disabled for now
update OE submodule
update bitbake submodule
angstrom-setup-scripts: update OE revision
angstrom-setup-scripts: update OE submodule
oebb: fix git submodule test