fix bug 782930: Don't use parseInt() to parse numeric arguments
Merge pull request #23 from lmorchard/no-trimmed-decimals-782930

fix bug 782930: Don't use parseInt() to parse numeric arguments
Add missing node_modules.

- commit 'optimist' required by 'nconf'
- 'fibers' is a compiled module, which must be deployed as an RPM to
  Mozilla servers, so just add it to gitignore.