Squashed 'go/.vim/bundle/vim-compiler-go/' content from commit 7e3edc5

git-subtree-dir: go/.vim/bundle/vim-compiler-go
git-subtree-split: 7e3edc5cfc57c6d7f601b1c00c89f428b0f5cfe3
Merge commit '0d8e0b9078321ff6cefce53b2b353c79b6fef83b' as 'go/.vim/bundle/vim-compiler-go'
Update .subtrees for vim-compiler-go
Set goroot for 3rd party vim compiler plugin