Updated go version; Removed 2 packages; Added generator sources
Updated go version; Removed 2 packages; Added generator sources

- Updated to go1.8.3
- Removed "go/types" and "go/constant"
- Added "iface.awk" and "make.sh"
asukakenji/cheatsheets,asukakenji/cheatsheets,asukakenji/cheatsheets,asukakenji/cheatsheets,asukakenji/cheatsheets,asukakenji/cheatsheets