tools for administering the openembedded projects

to set up:
 - install node.js (tested with 0.4.5)
 - install npm (tested with 1.0.3)
 - cd tools
   - npm install nodemailer (tested with 0.1.13)

to use:
 - git submodule foreach "git fetch" (pull down the latest repo data for each project)
 - node ./tools/git-weekly-changelog.js (email out weekly changelog reports, based on origin/master in each project)