Merge pull request #129 from xushiwei/q

osx: Check

Merge pull request #128 from xushiwei/q

x/xgo/osx => x/osx

Merge pull request #126 from xushiwei/q

x/cmd/tool

Merge pull request #124 from xushiwei/q

x/rfs: remote fs; x/http/fs/cached => cached.v1

Merge pull request #123 from xushiwei/q

mv gop builtin packages => qiniu/x

Merge pull request #122 from xushiwei/q

fix: FileInfo.Size() < 0 (unknown size)

Merge pull request #121 from xushiwei/q

mv x/http/fs/cached.Dir => x/http/fs.Dir

Merge pull request #120 from xushiwei/q

x/test: Diff

Merge pull request #119 from xushiwei/q

x/test: MatchSlice

Merge pull request #118 from xushiwei/q

x/test: fallback type []map[string]string