Handle git gems by cloning repo to local one, rewriting Gemfile
urls and sending both repos and gems in source packages.
Separate doc dir w licensec.
Gemfile, Gemfile.lock now lives in bundle, linked to application.
Rewrite http git urls to git: to make it uniform & simpler
For fedora, splits off the wsd daemon in separate package. Overall,
tools to handle bad Gemfile.lock: README notes, -f option to invoke
'bundle update' in make-dist.sh. Handling of missing libmozjs in
Ubuntu 10.04 (https://bugs.launchpad.net/ubuntu/+source/mongodb/+bug/557024)
Various fixes & typos.
