closure: remove weird line breaks from buggy goimports, fmt

Change-Id: I65c8952d7fb3fbcdbaf61f004addf4514a8eee9a
make.go: create zip files with forward slashes, per zip spec

Might fix issue 188 (Windows not getting any UI)

Change-Id: Ic4243102d9bc78ba4a9959c575afc6313949da1f