go1.3
x
go 1.3.1
go 1.3.1
Merge pull request #21 from queniao/go1.3.1

Go1.3.1
fix image
readme
Update README_QINIU
Merge pull request #22 from queniao/image_patch

fix image
png interlace
Merge pull request #23 from queniao/png_interlace

png interlace
fix jpeg
fix
Merge pull request #24 from queniao/jpeg

fix jpeg
Update README_QINIU
+if scan[i].td > maxTh {
fix golang issue 8693