cmd/gotree: Refactor misc readers to separate tools/rw package
Initial commit
Update README.md
Add .gitignore
Add AppVeyor configuration
Add Travis configuration
fs/fsutil: teefs should wrap full fs.Filesystem, not proxy it
rw: Add Equal function for comparing readers
rw: Add tests for QuoteReader and NinjaReader
rw: Add PrefixedWriter
rw: Rework PrefixedWriter.Write + add more test-cases