fix(logger): turn off verbose untar'ing

untar'ing go's tarball dumps out a lot of unneeded lines. This
cleans up the build process a bit.
docs(README): denote `make build` as optional

It's only necessary when making code changes.
Merge pull request #1198 from deis/readme_build_deis

docs(README): denote `make build` as optional
docs(installing_deis) add xip.io address for registering on EC2

closes #1126
docs(configure-dns): move xip.io to new section
fix(Makefile): exit until loop if service becomes failed
fix(builder): allow filesystems other than btrfs
docs(using_deis/using-buildpacks): fixing unexisting opdemand/example-ruby-sinatra git repository

Git repository opdemand/example-ruby-sinatra does not exist. Fixed it by changing it to deis/example-ruby-sinatra
Also changed opdemand/example-java-jetty to deis/example-java-jetty
Merge pull request #1200 from mvanduijker/master

docs(using_deis/using-buildpacks): fixing unexisting example example-ruby-sinatra git repository
Merge pull request #1166 from deis/logger-verbose

fix(logger): turn off verbose untar'ing
Merge pull request #1202 from deis/builder-storage-driver-opt

fix(builder): allow filesystems other than btrfs
Merge pull request #1201 from deis/exit-loop-if-failed

fix(Makefile): exit until loop if service becomes failed
Remove external components
Merge branch 'master' of https://github.com/deis/deis