Prebuild a string of all spaces to avoid calling strings.Repeat for
every indented line. Replace appendWithWrap function with a class
that handles counting bytes on a line as they are written instead of
buffering lines, and avoids extra string concatenations by providing
a function that implicitly adds a space. Saves 10% wall time on one
workload.
Change-Id: I571d70366ee5db21c40c1c98d0fe92d640efefab
Make integrating with go tools easier by putting the blueprint package
files in the top level directory of the git project instead of in a
subdirectory called blueprint.
Change-Id: I35c144c5fe7ddf34e478d0c47c50b2f6c92c2a03
