Bundle: add licenses, handle git gems
Bundle: add licenses, handle git gems

Adding a docs dir collexting README and licenses from contained gems.
git gems, which bundler does not handle well today, are handled
by a hacked parsing of Gemfile.log, gem built into the source
bundle and installed on target system

SuperTux88/diaspora,KentShikama/diaspora,diaspora/diaspora,Flaburgan/diaspora,Muhannes/diaspora,Amadren/diaspora,KentShikama/diaspora,spixi/diaspora,jhass/diaspora,despora/diaspora,spixi/diaspora,geraspora/diaspora,jhass/diaspora,Muhannes/diaspora,Amadren/diaspora,KentShikama/diaspora,jhass/diaspora,despora/diaspora,geraspora/diaspora,Flaburgan/diaspora,Flaburgan/diaspora,spixi/diaspora,SuperTux88/diaspora,SuperTux88/diaspora,Amadren/diaspora,despora/diaspora,SuperTux88/diaspora,diaspora/diaspora,Flaburgan/diaspora,Muhannes/diaspora,geraspora/diaspora,spixi/diaspora,diaspora/diaspora,KentShikama/diaspora,Amadren/diaspora,jhass/diaspora,geraspora/diaspora,despora/diaspora,Muhannes/diaspora,diaspora/diaspora