repo: move version.go back here

cmd/ipfs/Rules.mk

cmd/ipfs/init.go

cmd/ipfs/main.go

cmd/ipfswatch/main.go

commands/request.go

core/bootstrap.go

core/bootstrap_test.go

core/builder.go

core/commands/bootstrap.go

core/commands/config.go

core/commands/env.go

core/commands/mount_unix.go

core/commands/repo.go

core/commands/swarm.go

core/commands/sysdiag.go

core/commands/version.go

core/core.go

core/core_test.go

core/coreapi/unixfs_test.go

core/corehttp/commands.go